ericmelegrito2 ericmelegrito2

15-12-2020
Mathematics

contestada

Which of the following is equivalent to (2a + 5b) (a - 3b)?

A) 2a² - 2ab - 15b²
B) 2a² - ab 15b²
C) 2a² + 2ab - 15b²
D) 2a² + 11ab - 15b²

Respuesta :

15-12-2020

Answer:

Step-by-step explanation:

use foil and you will have

=2a^2-6ab+5ab-15b^2

=2a^2-ab-15b^2

i think is B, maybe you forgot a minus between ab and 15b^2

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