Use the binomial formula to expand the binomial.
-$( 5 x + 4 ) ^ { 3 }$
A) $125 x ^ { 3 } + 300 x ^ { 2 } + 300 x + 64$
B) $25 x ^ { 6 } + 20 x ^ { 3 } + 4096$
C) $125 x ^ { 3 } + 300 x ^ { 2 } + 240 x + 64$
D) $25 x ^ { 2 } + 40 x + 16$

Question

Quizplus · Accepted Answer

The binomial expansion of $(5x + 4)^3$ using the binomial theorem is $125x^3 + 3 \times 25x^2 \times 4 + 3 \times 5x \times 16 + 64$, which simplifies to $125x^3 + 300x^2 + 240x + 64$.

Use the Binomial Formula to Expand the Binomial (5x+4)3( 5 x + 4 ) ^ { 3 }(5x+4)3

Use the Binomial Formula to Expand the Binomial $( 5 x + 4 ) ^ { 3 }$