Math, asked by akash1234568, 10 months ago

solve by using quadratic formula?
a)25x^2+20x+7=0
b)9x^2(a+b)x+(2a^2+5ab+2b^2)=0
c)6x^2+40=31x​

Answers

Answered by nehapanwar310
2

Step-by-step explanation:

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