Question

rapidooo pfv a) (x+y).(5x+y+2) b)(2x-1).(x+2)

Answer 1

$a)(x + y).(5x + y + 2) = 5 {x}^{2} + xy + 2x + 5xy + {y}^{2} + 2y = 5 {x}^{2} +2x + 6xy + 2y + {y}^{2} \\ b)(2x - 1).(x + 2) = 2 {x}^{2} + 4x - x - 2 = 2 {x}^{2} + 3x - 2$