Sagot :
Answer:
C. -16m^3 -32m^2 +21m +27
Step-by-step explanation:
(-4m^2 +m +3) ( 4m +9)
= -16m^3 + 4m^2 +12m
+ -36m^2+9m+27
= -16m^3 -32m^2 +21m +27
find the product of (4m+9)(-4m²+m+3)
A.16m³+32m²+21m+27
B.16m²-32m²-21m-27
C.-16m³-32m²+21m+27
D.-16m³+32m²-21m-27
ANSWER
The answer is C.-16m³-32m²+21m+27
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