Question

Упростите выражение – 2(7х – 1) – (4 – 3х) + (5х – 2).

Answer 1

$- 2(7x - 1) - (4 - 3x) + (5x - 2) = - 14x + 2 - 4 + 3x + 5x - 2 = - 6x - 4$

Answer 2

-2(7х - 1) - (4 - 3х) + (5х - 2) = -14х + 2 - 4 + 3х + 5х - 2 = -6х - 4 = -2(3х - 2)