Question

*factorise the expressions
Ans this 7 question
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Answer 1

Answer:

1). (25x^2-1)

=(5^2x^2-1^2)

(a^2-b^2)=(a+b)(a-b)

=(5x-1)(5x+1)

Answer 2

Answer:

here is your ans till question 5 next you should do by yourself