Add/Subtract
3x2+2x-4+x2+3x+2
x2+5x+6
2x2+10x+12
6x2-3x+5-3x2+4x3+1
4x2+12x
x2+11x+24
3x2+13x+4
4x2+6x+3-(2x2+3x-2)
5x3-25x^2
What is 5x2(x-5)
x2-2x-15
-2x2+x+10
-5x2+3x-2-(-4x2-2x-1)
(-4x+9)2
3x2+7x^7
What is x5(3+7x2)
x2-144
4x2-12x-40
4x2-2x+1-(3x3+6x2+10x+5)
-9x3-27x^6
What is -9x3(1+3x3)
x2+5x-126
-10x2 - 21 + 15