Question

Q.5 Subtract 5a²b-3b from 7a²b- b​

Answer 1

Answer:

2-2b

Step-by-step explanation:

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Answer 2

Answer:

$7 {a}^{2} b - b - (5 {a}^{2} b - 3b) \\ \\ = 7 {a}^{2} b - b - 5 {a}^{2} b + 3b \\ \\ = 2 {a}^{2} b + 2b \\ \\ = b(2 {a}^{2} + 2)$

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