Please Help! If (3x+5)^2=ax^2+bx+c, what is the value of a+b+c?

64

Step-by-step explanation:

You open up the (3x+5)^2 and get:

9x^2 + 30x + 25

So...

a+b+c = 64

OR

You add the coefficient(s) and the constant together in the parentheses and get:

(3x+5)^2 --> (8)^2

So you square the 8 and get:

64

597

step-by-step explanation:

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step-by-step explanation: