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19-03-2021
Mathematics

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SELECT THE BEST ANSWER
Expand the following product: (3a - 2b)(a + 5b)
a) 3a? + 13 ab - 1062
b) 3a2 + 13ab + 1062
c) 3a2 + 17ab - 1062
d) 3a2 - 13ab - 10b2

Respuesta :

Dandydestiny Dandydestiny

20-03-2021

Answer:

3a² + 13ab - 10b²

Step-by-step explanation:

(3a - 2b)(a + 5b)

Each term in each bracket multiplies each term in the other bracket.

3a(a + 5b) -2b(a + 5b)

3a² + 15ab - 2ab - 10b²

3a² + 13ab - 10b²

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