Question

Which expression is a simplified form of –10g – 4h^2 + 15g – 8h^2 – 4?
a. -12h^2 + 25g-4
b. 4h² + 25g-4
c. -12h² + 5g - 4
d. none of the above

Answer 1

Hi there!  

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I believe your answer is:  

$-12h^2+ 5g-4$

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Here’s why:  

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$-10g -4h^2+15g-8h^2-4\\------------------\\\rightarrow -10g+15g -4h^2-8h^2-4\\\\\rightarrow 5g - 12h^2 - 4\\\\\rightarrow \boxed{-12h^2+5g-4}$

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Hope this helps you. I apologize if it’s incorrect.  

Answer 2

The answer is c. See sheet.