Question

Which expression is equivalent to -4(2 - 6x) - 2.5x ?

Answer 1

Rewriting the expression, we have:

`\begin{gathered} -4\mleft(2-6x\mright)-2.5x \\ =-8+24x-2.5x \\ =21.5x-8 \end{gathered}`

So an equivalent expression is 21.5x - 8.