Answer:
4x^2 -3x -2
Step-by-step explanation:
x^2 -x +1 + 3x^2 -2x-3
I like to line up the terms vertically
x^2 -x +1
+ 3x^2 -2x-3
------------------------
4x^2 -3x -2
Remember the large squares are x^2 and the rectangle are x and the small squares are 1's
Colored tiles are positive and white tiles are negative
x^2 -x +1
1 large colored square , 1 white rectangle and 1 small colored square
3x^2 -2x-3
3 large colored squares , 2 white rectangle and 3 small white squares
4x^2 -3x -2
4 large colored squares , 3 white rectangle and 2 small white squares
