12-06-2020
Mathematics

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If A=3x^2 + 5x - 6 and B= -2x^2 - 6x + 7 than A - B equals...?

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wegnerkolmp2741o wegnerkolmp2741o

12-06-2020

Answer:

5x^2 +11x -13

Step-by-step explanation:

A=3x^2 + 5x - 6 and B= -2x^2 - 6x + 7

A- B =3x^2 + 5x - 6 -( -2x^2 - 6x + 7)

Distribute the minus sign

A- B = 3x^2 + 5x - 6 +2x^2 + 6x - 7

Combine like terms

= 5x^2 +11x -13

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