How do you simplify $4 (2 r + 8)$ $4(2r+8)$ ?

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Answer 1 · 2017-02-22T16:43:20

$8 (r + 4)$ $8(r+4)$

Both of the terms in the bracket have coefficients which are factors of 2:
$2 r = 2 \times r$ $2r=2xxr$ and $8 = 2 \times 4$ $8=2xx4$

So we can take that factor of 2 outside the bracket to get:
$4 \times 2 (r + 4) = 8 (r + 4)$ $4xx2(r+4)=8(r+4)$

How do you simplify 4(2r+8)4(2r+8)?