Math, asked by ashwagandhadeka234, 6 months ago

can u plz solve this factorisation

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Answers

Answered by vinay9413982930

6

Answer:

5a²-22a+21

5a²-15a-7a+21

5a(a-3)-7(a-3)

(a-3) (5a-7)

a-3=0. &. 5a-7=0

a=3. &. 5a=7

a=3. &. a= 7/5

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