Question

factories 4-20b+25b2
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Answer 1

Answer:

4-20b+25b² = 0

25b²-20b+4 = 0

By middle splitting we get

25b²- 10b - 10b + 4 = 0

5b(5b-2) -2(5b-2) = 0

(5b-2)(5b-2) = 0

Thus we get the factors as 5b-2 and 5b-2

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