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Tohaina

g=-\frac{7}{9}\left(-\frac{9}{2}\right)
Me whakarea ngā taha e rua ki te -\frac{9}{2}, te tau utu o -\frac{2}{9}.
g=\frac{-7\left(-9\right)}{9\times 2}
Me whakarea te -\frac{7}{9} ki te -\frac{9}{2} mā te whakarea taurunga ki te taurunga me te tauraro ki te tauraro.
g=\frac{63}{18}
Mahia ngā whakarea i roto i te hautanga \frac{-7\left(-9\right)}{9\times 2}.
g=\frac{7}{2}
Whakahekea te hautanga \frac{63}{18} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 9.