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OpenStudy (anonymous):
If m(x) = x^2 + 3 and n(x) = 5x + 9, which expression is equivalent to (mn)(x)? 5x^3 + 9x^2 + 15x + 27 25x^2 + 90x + 84 x^2 + 5x + 12 5x^2 + 24
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OpenStudy (lynfran):
m*n (x^2+3)(5x+9)
OpenStudy (lynfran):
(x^2*5x + x^2*9 + 3*5x +3*9)
OpenStudy (anonymous):
I keep getting A but i dont think its right
OpenStudy (lynfran):
yep its A
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