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11\left(a^{2}+4ab+4b^{2}\right)
Tauwehea te 11.
\left(a+2b\right)^{2}
Whakaarohia te a^{2}+4ab+4b^{2}. Whakamahia te tikanga tātai pūrua pā, p^{2}+2pq+q^{2}=\left(p+q\right)^{2}, ina p=a, ina q=2b.
11\left(a+2b\right)^{2}
Me tuhi anō te kīanga whakatauwehe katoa.