Разложение на множители
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1*(a - 18*x)*(a - 9*x*(-1 + x))
$$1 \left(a - 18 x\right) \left(- 9 x \left(x - 1\right) + a\right)$$
(1*(a - 18*x))*(a - 9*x*(-1 + x))
Рациональный знаменатель
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2 2 3 2
a - 162*x + 162*x - 9*a*x - 9*a*x
$$- 9 a x^{2} + 162 x^{3} + a^{2} - 9 a x - 162 x^{2}$$
a^2 - 162*x^2 + 162*x^3 - 9*a*x - 9*a*x^2
2 3 2
a + 162*x + x *(-162 - 9*a) - 9*a*x
$$162 x^{3} + x^{2} \left(- 9 a - 162\right) + a^{2} - 9 a x$$
a^2 + 162*x^3 + x^2*(-162 - 9*a) - 9*a*x
2 3 2
a + 162*x + x *(-162 - 9*a) - 9*a*x
$$162 x^{3} + x^{2} \left(- 9 a - 162\right) + a^{2} - 9 a x$$
a^2 + 162*x^3 + x^2*(-162 - 9*a) - 9*a*x
/ 2\
(-a + 18*x)*\-a - 9*x + 9*x /
$$\left(- a + 18 x\right) \left(9 x^{2} - a - 9 x\right)$$
(-a + 18*x)*(-a - 9*x + 9*x^2)
2 2 3 2
a - 162*x + 162*x - 9*a*x - 9*a*x
$$- 9 a x^{2} + 162 x^{3} + a^{2} - 9 a x - 162 x^{2}$$
a^2 - 162*x^2 + 162*x^3 - 9*a*x - 9*a*x^2
a^2 + 162.0*x^3 - 9.0*a*x - 9.0*x^2*(18.0 + a)
a^2 + 162.0*x^3 - 9.0*a*x - 9.0*x^2*(18.0 + a)