Drag the tiles to the boxes to form correct pairs. Match each pair of polynomials to their sum.
a. 12x²+3x+6 and -7x²-4x-2
b. 2x²-x and -x-2x²-2
c. x+x²+2 and x²-2-x
d. x²+x and x²+8x-2

Pairs
a. -2x-2
b. 2x²
c. 2x²+9x-2
d. 5x²-x+4