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alekssr [168]
4 years ago
10

Find a value for b so that the polynomial x^2+ bx + 25 factors to (x + 5)^2.

Mathematics
1 answer:
Marta_Voda [28]4 years ago
7 0

Answer:

10 = b

Step-by-step explanation:

Begin by expanding (x + 5)^2

(x + 5)(x + 5)

First: x*x = x^2

Outside: x *  5 (the last term which is a 5)

Inside: 5+ x

Last:  5*5 = 25

x^2 + 5x + 5x + 25

x^3 + 10x + 25

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