How do you find the product $2pr^2(2pr+5p^2r-15p)$ ?

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Answer 1 · 2018-06-18T10:06:56

$color(brown)(=> 4 p^2 r^3 + 10 p^3 r^3 - 30 p^2 r^2$

$2 pr^2 ( 2pr + 5p^2r - 15p)$

$=> 2pr^2 * 2pr + 2pr^2 * 5p^2r - 2pr^2 * 15p, " removing the bracket"$

$color(brown)(=> 4 p^2 r^3 + 10 p^3 r^3 - 30 p^2 r^2$

How do you find the product 2pr^2(2pr+5p^2r-15p)2pr^2(2pr+5p^2r-15p)?