Question

Упростите выражение (3x+2)(2x-1)-(5x-2)(x-4)

Answer 1

$30 {x}^{4} - 127 {x}^{3} + 16 {x}^{2} + 52x - 16$

Answer 2

(3х+2)(2х-1)-(5х-2)(х-4)

6х^2-3х+4х^2 -2 -(5х^2 - 20х -2х+8)

10х^2 - 3х -2 -(5х^2 - 22х + 8 )

10х^2 - 3х - 2 - 5х ^2 +22х -8

5х^2 + 19х - 10