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Kimi Pārōnaki e ai ki a
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Tohaina

-2a^{2}+a^{2}
Whakareatia te -1 ki te -1, ka 1.
-a^{2}
Pahekotia te -2a^{2} me a^{2}, ka -a^{2}.
\frac{\mathrm{d}}{\mathrm{d}a}(-2a^{2}+a^{2})
Whakareatia te -1 ki te -1, ka 1.
\frac{\mathrm{d}}{\mathrm{d}a}(-a^{2})
Pahekotia te -2a^{2} me a^{2}, ka -a^{2}.
2\left(-1\right)a^{2-1}
Ko te pārōnaki o ax^{n} ko nax^{n-1}.
-2a^{2-1}
Whakareatia 2 ki te -1.
-2a^{1}
Tango 1 mai i 2.
-2a
Mō tētahi kupu t, t^{1}=t.