Question 70362
[(7x^2-9x+4)-(9x^2+3x-2)]-[(5x^2+4x-6)+(-8x^2+6x+1)]
{{{(7x^2-9x+4-9x^2-3x+2)-(5x^2+4x-6-8x^2+6x+1)}}}
{{{((7-9)x^2+(-9-3)x+(4+2))-((5-8)x^2+(4+6)x+(-6+1))}}}
{{{(-2x^2-12x+6)-(-3x^2+10x-5)}}}
{{{-2x^2-12x+6+3x^2-10x+5}}}
{{{(-2+3)x^2+(-12-10)x+(6+5)}}}
{{{highlight(x^2-22x+11)}}}
Happy Calculating!!!!