If a=3x 5x-6 and b= -2x^2-6x 7 then a-b equals

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asked Nov 19, 2016 110k views

1 Answer

Surz · Answer 1 · 2016-11-23T18:40:06+0000

some signs are missing so I will assume that
a=3x^2+5x-6 and b=-2x^2-6x+7 so

a-b=3x^2+5x-6-(-2x^2-6x+7)
don't forget the invisible -1 in front of the parenthasees to help distribute
3x^2+5x-6+2x^2+6x-7
add like terms
5x^2+11x-13

If a=3x 5x-6 and b= -2x^2-6x 7 then a-b equals

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