Math, asked by SITEHACKER, 26 days ago

FACTORISE IT
(7a² – 63b²) = ?

Answers

Answered by Ariel09mdl

3

Answer:

7(a-3b) times (a+3b)

Step-by-step explanation:

Answered by aadishijain

4

Answer:

7a2 – 63b2) = 7(a2 – 9b2) by taking 7 as the common factor By using the formula a2 – b2 = (a – b) (a + b) = 7 (a – 3b) (a +3b)

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