Разложение на множители
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$$1 \left(a - \frac{5}{2}\right)$$
16.0*(1 + 0.25*a)^2 + 81.0*(-1 + 0.111111111111111*a)^2 + 2.0*(4.0 + a)*(-9.0 + a)
16.0*(1 + 0.25*a)^2 + 81.0*(-1 + 0.111111111111111*a)^2 + 2.0*(4.0 + a)*(-9.0 + a)
2 2
(-9 + a) + (4 + a) + 2*(-9 + a)*(4 + a)
$$\left(a - 9\right)^{2} + 2 \left(a - 9\right) \left(a + 4\right) + \left(a + 4\right)^{2}$$
(-9 + a)^2 + (4 + a)^2 + 2*(-9 + a)*(4 + a)
Объединение рациональных выражений
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2 2
(-9 + a) + (4 + a) + 2*(-9 + a)*(4 + a)
$$\left(a - 9\right)^{2} + 2 \left(a - 9\right) \left(a + 4\right) + \left(a + 4\right)^{2}$$
(-9 + a)^2 + (4 + a)^2 + 2*(-9 + a)*(4 + a)
2 2
(a + 4) + (a - 9) + 2*(-9 + a)*(4 + a)
$$2 \left(a - 9\right) \left(a + 4\right) + \left(a + 4\right)^{2} + \left(a - 9\right)^{2}$$
2 2
(-9 + a) + (4 + a) + 2*(-9 + a)*(4 + a)
$$\left(a - 9\right)^{2} + 2 \left(a - 9\right) \left(a + 4\right) + \left(a + 4\right)^{2}$$
(-9 + a)^2 + (4 + a)^2 + 2*(-9 + a)*(4 + a)
$$\left(2 a - 5\right)^{2}$$
Рациональный знаменатель
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2 2 2
-72 + (-9 + a) + (4 + a) - 10*a + 2*a
$$2 a^{2} + \left(a - 9\right)^{2} + \left(a + 4\right)^{2} - 10 a - 72$$
2 2
(-9 + a) + (4 + a) + 2*(-9 + a)*(4 + a)
$$\left(a - 9\right)^{2} + 2 \left(a - 9\right) \left(a + 4\right) + \left(a + 4\right)^{2}$$
(-9 + a)^2 + (4 + a)^2 + 2*(-9 + a)*(4 + a)