Question

4a²-25b²+30b-9 factories it​

Answer 1

Answer:

factorised (2a-5b+3)^2

Answer 2

Answer:

by using identity

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

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

4a^2-(-25b^2+30b-9)

(2a) ^2-(-5^2b-(5)(6)(b) +3^2)

=(2a+5b-3)(2a-5+3)

here is ur answer....

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by Mukta cute girl....