anonymous
  • anonymous
Identify the factors of x2 − 4x − 12. (x + 4)(x − 3) (x − 4)(x + 3) (x − 2)(x + 6) (x + 2)(x − 6)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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skullpatrol
  • skullpatrol
Any ideas?
anonymous
  • anonymous
D ?
skullpatrol
  • skullpatrol
Why?

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anonymous
  • anonymous
well i asked my teacher and she was it was the answer.
anonymous
  • anonymous
shes not good at explaining though
skullpatrol
  • skullpatrol
Hmm..
skullpatrol
  • skullpatrol
Let's do it together: Multiply the first terms of the binomials, what do you get?
anonymous
  • anonymous
the binomials are 2 and 4 right ? or by terms u mean x and y ?
skullpatrol
  • skullpatrol
$$(x + 2)$$is one binomial and$$(x − 6)$$is another binomial. Each of x, 2 and -6 are called terms.
skullpatrol
  • skullpatrol
A monomial is an expression that is either a numeral, a variable or the product of a numeral and one or more variables.
skullpatrol
  • skullpatrol
In the expression a + b a and b are called terms
anonymous
  • anonymous
oh okay thank u :) so then what ?
skullpatrol
  • skullpatrol
Multiply the first terms of the binomials, what do you get?
skullpatrol
  • skullpatrol
$$(x + 2)(x − 6)$$ hmm?
skullpatrol
  • skullpatrol
|dw:1363720290995:dw|
skullpatrol
  • skullpatrol
Then multiply the first term of each binomial by the last term of the other and add these products.
anonymous
  • anonymous
soo sorry. i had to go offline for a while
skullpatrol
  • skullpatrol
and finally, multiply the last terms of the binomials.
skullpatrol
  • skullpatrol
By following these steps you will see that $$(x + 2)(x − 6)=x^2 − 4x − 12$$
anonymous
  • anonymous
oh okay. thank u !!
skullpatrol
  • skullpatrol
np :)

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