Question

$add \: the \: following \: - \: (a) \: \: \: 10 {a}^{3}b + 2 {a}^{3} b + ( - 5 {a}^{3} b)$
add the following


if you know the answer then only answer
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Answer 1

Answer:

$- 7 {a}^{3} b$

Step-by-step explanation:

10

$10 {a}^{3} b + 2 {a}^{3} b + ( - 5 {a}^{3} b)$

$= {a}^{3} b( 10 + 2 - 5)$

$= {a}^{3} b(12 - 5)$

$= {a}^{3} b(7)$

$= - 7 {a}^{3} b$

I hope it helps you