Question

9x^2+(7a+5)x+25=(3a+5)^2 find the value of a step-by-step explanation

Answer 1

9x^2+(7a+5)x+25=(3a+5)^2

=comparing coefficients of x terms, we get

= (7a-5)x=30x

= 7a-5=30

= 7a=35

a=5

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