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If A=3x^2+5x−6 and B=−2x−6x+7, then what is A-B
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If A=3x^2+5x−6 and B=−2x−6x+7, then what is A-B

User Jhonatan
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1 Answer

5 votes

Answer:

A=3x^2+5x-6

B=-2x^2-6x+7

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

remove parentheses

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

combine like terms

A-B=5x^2+11x-13

User Nybbler
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