3 years ago

If f(x)=x^2and g(x)=6x+4,for which value of x does (f+g) =0

1 answer:

6 0

Step-by-step explanation:

When (f + g)(x) = 0,

f(x) + g(x) = x² + 6x + 4 = 0.

Therefore (x + 3)² - 5 = 0, we have

x = sqrt5 - 3 or x = -sqrt5 - 3.

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