Question

5m square-22m-15=0 solve by completing square method

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Answer 1

Answer:

5m² −22m−15=0

5m² −25m+3m−15=0

5m(m−5)+3(m−5)=0

(m−5)(5m+3)=0

(m−5)=0,5m+3=0

m=5,5m=−3

m= −⅗

∴m=5, m=−⅗

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