Simplify $-4x(-5+4x)-2x$ ?

Question

1659 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-05-18T05:41:36

$-4x(-5+4x)-2x=20x-8x^2$ ko

$-4x(-5+4x)-2x$

= $(-4x)(-5)+(-4x)(4x)-2x$

= $20x+(-16x^2)-2x$

= $20x-16x^2-2x$

= $18x-16x^2$

Answer 2 · 2016-05-18T05:59:19

$-4x(-5+4x)-2x=color(blue)(-16x^2-18x)$

$-4x(-5+4x)-2x$

The expression inside the parentheses cannot be simplified further and there are no exponents.

Multiply $-4x$ times the expression inside the parentheses.

$-4x(-5+4x)-2x=$

$20x-16x^2-2x$

Rewrite the expression in standard form.

$-16x^2+20x-2x$

Simplify.

$-16x^2+18x$

Simplify -4x(-5+4x)-2x-4x(-5+4x)-2x?