You can
put this solution on YOUR website!if your question is like this
(3x^2-4x+18)+(8x^2+9x-62)the answer is like this,
first of all remove the brackets,
3x^2 -4x +18 + 8x^2 +9x -62
now collect the middle terms together.
3x^2+8x^2 -4x +9x +18 -62
==> 11x^2 + 5x -44
which is your required number.
(