3×2-7x-8-x2+4x-3Subtract x2 from 3×2.2×2-7x-8+4x-3Add -7x and 4x.2×2-3x-8-3Subtract 3 from -8.2×2-3x-11 Simplify 3x^2-7x-8-x^2+4x-3