(x+10)(x-5)-(x-6)(x+3)=16 (3x+7)(8x+1)=(6x-7)(4x-1)+93x
1)x^2-5x+10x-50-x^2+3x-6x-18=16 x^2+5x-50-x^2-3x-18=16 2x-68=16 2x=16+68 2x=84 x=42