Question

4-20b+25b² solve please​

Answer 1

Answer:

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Step-by-step explanation:

according to the question 25b²-20b+4=0

                                           25b²-10b-10b+4=0

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

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

                                            b=2/5,2/5

hope it helps

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