Simplify the expression. $- 2 s ( - 5 s - 1 ) ( s - 4 )$
A) $10 s ^ { 3 } + 19 s ^ { 2 } + 4 s$
B) $10 s ^ { 3 } - 38 s ^ { 2 } - 8 s$
C) $10 s ^ { 3 } - 38 s ^ { 2 } - 8$
D) $10 s ^ { 3 } - 8 s$

Question

Quizplus · Accepted Answer

First, distribute $-2s$ to $(-5s - 1)$ to get $10s^2 + 2s$. Then, distribute this result to $(s - 4)$ to get $10s^3 - 38s^2 - 8s$.

Simplify the Expression −2s(−5s−1)(s−4)- 2 s ( - 5 s - 1 ) ( s - 4 )−2s(−5s−1)(s−4)

Simplify the Expression $- 2 s ( - 5 s - 1 ) ( s - 4 )$