How do you simplify $5(4+k)+3(2k-7)$ ?

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Answer 1 · 2018-05-26T20:06:35

$5(4+k)+3(2k-7)=11k-1$

What we need to remember here, is that the factor outside the parenthesis should be multiplied with each of the factors inside the parenthesis.

If you for instance have $a(b+c)$ , that will be $(ab+ac)$ .

If we use that here, we get:

$5(4+k)+3(2k-7)$
$=(5*4+5k)+(3*2k-3*7)$
$=20+5k+6k-21=11k-1$

How do you simplify 5(4+k)+3(2k-7)5(4+k)+3(2k-7)?