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lukranit [14]
3 years ago
11

Plz help!!!!!!!!!!!!!!!

Mathematics
2 answers:
Fantom [35]3 years ago
5 0
X^2+10x+12=36,x
X= -12, X= 2
julsineya [31]3 years ago
4 0

Hey!

Hope this helps...

~~~~~~~~~~~~~~~~~~~~~~~~

Generally what I like to do, to solve questions like this is to substitute the given answers into the equation to solve this faster...

Equation: x^2 + 10x + 12 = 36

A.) (-12)^2 + 10(-12) + 12 = 36

144 - 120 + 12 = 36

24 + 12 = 36

36 = 36

(2)^2 + 10(2) + 12 = 36

4 + 20 + 12 = 36

24 + 12 = 36

36 = 36


Since we found the answer with the first try, we already know the correct answer is A.

So...

The Correct answer is: A.) x=-12 or x=2

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