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what do you think?
i got noooo idea
gimme a sec
What you could always do with these are just plug in the values of x in to the equation a check with these one.
no its not
i just used a calculator
It has to be a single number with this
yes it is c actually
Take 45 to the right hand side, divide by 5 and get the square root of it.
uggggh im torn
Try to solve it without the use of calculators.
dang it so close i need 1 more medal
there you go
this is the working they showed me 5x^2 - 45 = 0 1. divide by 5 5(x^2 - 9) = 0 2. It's easy to factor the x^ - 9 polynomial! x^2- 9 = (x+3)(x-3) you can check this with FOIL if you want, but I promise it's right! So, the answer is: 5(x+3)(x-3)=0 x = 3, -3
but after you take the square root of both sides, doesn't that give you plus/minus root(9)?
Yeap. So now you got the answer. :D
i have a title now
lemme look at the post to see who gets the medal
i dont see the title
refresh your page
imma just give to my lil bro
I see it now
ummm...... I didnt help I'm 2 grades under u give it to someonelse
wait what grade are you in?
I meant i'm 3 grades under him
same here except i can get 100% on algebra 2 work
actually i'm pretty smart too
my mom sometimes thinks I'm better than him
Lot to learn. :0
I said SOMETIMES not all the time
my dad thinks i am smarter than my 10th grade sister
good for you
Ok if you want to talk to someone message them because other people who clicked on this post are getting notifacations that someone replied in this post and that is considered spam