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[tex](2x+3)^{3} -8 x^{3} =36 x^{2} [/tex]
Разъяснить все шаги!!!
[tex](2x+3)^{3} -8 x^{3} =36 x^{2} [/tex]
Разъяснить все шаги!!!
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(2x+3)³-8х³=36х²
(2х)³+3*(2х)²*3+3*2х*3²+3³-8х³=36х²
8х³+36х²+54х+27-8х³=36х²
8х³-8х³+36х²-36х²+54х+27=0
54х=-27
х=-27:(-54)
х=-0,5