Open study

is now brainly

With Brainly you can:

  • Get homework help from millions of students and moderators
  • Learn how to solve problems with step-by-step explanations
  • Share your knowledge and earn points by helping other students
  • Learn anywhere, anytime with the Brainly app!

A community for students.

Factor: 4x2 - 9y2

Mathematics
See more answers at brainly.com
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

Get this expert

answer on brainly

SEE EXPERT ANSWER

Get your free account and access expert answers to this and thousands of other questions

okay use this formula: a^2-b^2=(a-b)(a+b)
ur a=2x, b=3y
difference of 2 squares

Not the answer you are looking for?

Search for more explanations.

Ask your own question

Other answers:

This is a difference of squares: A^2-B^2=(A+B)(A-B) In this case, A=2x and B=3y So 4x^2-9y^2=(2x+3y)(2x-3y)
Plug that in and get the answer, this is simple, you can doit yourself
and jim, guide them but don't post the answers, i think they should do it themselves.
What I mean is tell them what to do.
i really wish i understood all of this lol
true, but I find it helps to step them through it
sarsar56, you will need this in your future life.
it weill be (2x+3y)(2x-3y)
if not sarsar, let me know
9x^2+16 so how would id o this one
Well jim we already factored a couple of problems. Like see what i mean, tell them to use this formula: a^2-b^2 = (a-b)(a+b) Tell them to observe that: 4x2 - 9y2 = (2x)^2-(3y)^2, and tell them to do the substitution to factor.
Sarsar I don't think that's factorable.
Wait we can complete the square
you can complete the square, but that won't make it factorable
how do u know if something is not factorablw
thi will be like this (3x+4)(3x-4)
I think it can be factored
if you have a sum of squares, then it is NOT factorable.
whats a sum of squares
9x^2+16 (3x)^2 + 2*3x*4 + 4^2 - 2*3x*4
(3x+4)^2-24x
a square is any expression that can be represented by squaring another expression. For example, 4 is a square of 2 since 2 squared = 4 Also, 4x^2 = (2x)^2 is another square
ouch i am sorry i thought there is minuse so sorry!!!
And then: (3x+4-sqrt(24x))(3x+4+sqrt(24x))
I mean that just makes it uglier haha
but when they say "factorable", they mean over the rationals.
and you forgot the imaginary terms, which makes it even worse
oh i guess, i mean i never learned how u guys do it here in the US.
i kind of see it but not really ):
don't worry about it, 9x^2+16 is NOT factorable
how about this one 2xy-xz+2wy-wz
Okay sarsar observe what is similar in the equation
which would b the 2y?
2xy-xz+2wy-wz 2xy+2wy-xz-wz 2y(x+w)-z(x+w)
So: (x+w)(2y-z)
i think u can do like this : 9x^2 +9+7 then we wil factor : 9(x^2+1)+7 then:( 9+7)(x^2+1)
am i right?
4ax + 8ay + 3bx + 6by so like in this one, do i start by taking out the GCF?
sorry Roh, that's not the correct factorization. You can verify that by expanding
no u pulled out 9+7, u can't do that
first, group terms (4ax + 8ay) + (3bx + 6by)
what comes next?
mmmm yeah ur right bahroom
Jim where did u get that one from?
which one?
oh u just took it as an example? I see was talkin about this (4ax + 8ay) + (3bx + 6by)
ahhhhh im confused lol
I think ima leave, having too much people to help confuses others
*too many
yoou can factor it by group factoring sarsar no confusing is needed let me do it
4ax + 8ay + 3bx + 6by (4ax + 8ay) + (3bx + 6by) 4a(x + 2y) + 3b(x + 2y) (4a+3b)(x + 2y)
4ax + 8ay + 3bx + 6by ok so u group the terms (4ax+8ay) (3bx+6by)
first group the terms, then pull out the GCF from each group. From there, combine like terms.
4a(x+2y)+3b(x+2y) (x+2y)(4a+3b)

Not the answer you are looking for?

Search for more explanations.

Ask your own question