Math, asked by sahapintu931, 1 month ago

how to factories 4a square - 25b square +30b -9​

Answers

Answered by brokenheart48
1

Step-by-step explanation:

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Answered by gargi2708
0

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

Step-by-step explanation:

4a²-25b²+30b-9

by using the formula (a-b)²=a²-2ab+b²

4a²-(25b²-30b+9) [take the - sign common

4a²-(5b-3)²

by using the formula a²-b²=(a+b)(a-b)

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

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