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4\left(-\frac{1}{2}\right)p-p^{2}\left(-\frac{1}{2}\right)+\frac{1}{2}p-12
Whakareatia te p ki te p, ka p^{2}.
\frac{4\left(-1\right)}{2}p-p^{2}\left(-\frac{1}{2}\right)+\frac{1}{2}p-12
Tuhia te 4\left(-\frac{1}{2}\right) hei hautanga kotahi.
\frac{-4}{2}p-p^{2}\left(-\frac{1}{2}\right)+\frac{1}{2}p-12
Whakareatia te 4 ki te -1, ka -4.
-2p-p^{2}\left(-\frac{1}{2}\right)+\frac{1}{2}p-12
Whakawehea te -4 ki te 2, kia riro ko -2.
-2p+\frac{1}{2}p^{2}+\frac{1}{2}p-12
Whakareatia te -1 ki te -\frac{1}{2}, ka \frac{1}{2}.
-\frac{3}{2}p+\frac{1}{2}p^{2}-12
Pahekotia te -2p me \frac{1}{2}p, ka -\frac{3}{2}p.