SOLUTION: If A=3x^2+5x -6 and B= -2x^2-6x+7 then A-B equals

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Question 1202693: If A=3x^2+5x -6 and B= -2x^2-6x+7 then A-B equals
Found 2 solutions by josgarithmetic, math_tutor2020:
Answer by josgarithmetic(39625) About Me  (Show Source):
You can put this solution on YOUR website!
Nothing is stopping you from simply making the substitutions and simplifying.

Answer by math_tutor2020(3817) About Me  (Show Source):
You can put this solution on YOUR website!

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

A - B
( A ) - ( B )
( 3x^2+5x-6 ) - ( -2x^2-6x+7 )
( 3x^2+5x-6 ) + ( 2x^2+6x-7 )
3x^2+5x-6 + 2x^2+6x-7
(3x^2+2x^2) + (5x+6x) + (-6-7)
5x^2 + 11x - 13