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the expression (3-x^2+2x)-(-3x^2-12+8x) is simplified to ax^2+bx+c.What is the value of b?f)-6g)-4h)6j)10
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the expression (3-x^2+2x)-(-3x^2-12+8x) is simplified to ax^2+bx+c.What is the value of b?f)-6g)-4h)6j)10

User Nadewad
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1 Answer

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(3-x^2+2x)-(-3x^2-12+8x)

Remove the parentheses:


3-x^2+2x+3x^2+12-8x

Add like terms:


\begin{gathered} (3x^2-x^2)+(2x-8x)+(12+3) \\ 2x^2-6x+15 \end{gathered}

Therefore, the value of b is -6

User Olppah
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