Simplify: $- p (- p + 4)$ $-p(-p+4)$ ?

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Answer 1 · 2017-03-08T12:08:20

$p^{2} - 4 p = p (p - 4)$ $p^2-4p = p(p-4)$

Expression $= - p (- p + 4)$ $= -p(-p+4)$

$= - p \times (- p) + 4 \times (- p)$ $=-pxx(-p) + 4xx(-p)$

$= p^{2} - 4 p$ $= p^2 -4p$

$= p (p - 4)$ $=p(p-4)$

Simplify: −p(−p+4)-p(-p+4) ?