Question

2-Multiplique: a)2x. ( 7x^2 - 4x + 5)=
b)- 13ab^2. (- 2a + 5b - 3a²b)=​

Answer 1

Resposta:

a)2x. ( 7x^2 - 4x + 5)

$14 {x}^{3} - 8 {x}^{2} + 10x$

b)- 13ab^2. (- 2a + 5b - 3a²b)=

$26 {a}^{2} {b}^{2} - 65a {b}^{3} + 39 {a}^{3}b$