Question

e) (2x - 7y).(-5x + 1) =​

Answer 1

$(2x - 7y) \times ( - 5x + 1) = - 10 {x}^{2} + 2x + 35xy - 7y$

Answer 2

70y

(2⋅−7y)⋅(−5⋅1)(2⋅-7y)⋅(-5⋅1)

Multiplique −7-7 por 22.

−14y⋅(−5⋅1)-14y⋅(-5⋅1)

Multiplique −5-5 por 11.

−14y⋅−5-14y⋅-5

Multiplique −5-5 por −14-14.

70y70y