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Tohaina

x\left(x^{2}+4x+4\right)
Tauwehea te x.
\left(x+2\right)^{2}
Whakaarohia te x^{2}+4x+4. Whakamahia te tikanga tātai pūrua pā, a^{2}+2ab+b^{2}=\left(a+b\right)^{2}, ina a=x, ina b=2.
x\left(x+2\right)^{2}
Me tuhi anō te kīanga whakatauwehe katoa.