Question

solve the quadratic equation 25msqure = 9 by facterisation method

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Answer 1

Answer:

25m²=9.

25m²9=0.

(5m)²-(3)²=0.

It is in the form of a²-b²=(a+b)(a-b) where a=5m & b=3.

(5m+3)(5m-3)=0.

5m+3=0.

5m=-3.

m=-3/5.

5m-3=0.

5m=3.

m=3/5.

I think this is your answer.