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Which expression is equal to f(x) · g(x)?



Which Expression Is Equal To Fx Gx class=

Sagot :

Answer:

C

Step-by-step explanation:

f(x) × g(x)

= [tex]\sqrt{x^2+12x+36}[/tex] × (x³ - 12)

= [tex]\sqrt{(x+6)^2}[/tex] × (x³ - 12)

= (x + 6)(x³ - 12) ← distribute the parenthesis

= [tex]x^{4}[/tex] - 12x + 6x³ - 72

= [tex]x^{4}[/tex] + 6x³ - 12x - 72