Question 1202693
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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) 
<font color=red>5x^2 + 11x - 13</font>
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