解方程:x^3 + 2x(2x-1) + 26 = 5x(x^2 - 3) - (2x)^2 (x-1)
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解方程:x^3+2x(2x-1)+26=5x(x^2-3)-(2x)^2(x-1)解方程:x^3+2x(2x-1)+26=5x(x^2-3)-(2x)^2(x-1)解方程:x^3+2x(2x-1)+2
解方程:x^3 + 2x(2x-1) + 26 = 5x(x^2 - 3) - (2x)^2 (x-1)
解方程:x^3 + 2x(2x-1) + 26 = 5x(x^2 - 3) - (2x)^2 (x-1)
解方程:x^3 + 2x(2x-1) + 26 = 5x(x^2 - 3) - (2x)^2 (x-1)
x^3 + 2x(2x-1) + 26 = 5x(x^2 - 3) - (2x)^2 (x-1)
=> x^3+4x^2-2x+26=5x^3-15x-4x^3+4x^2
=>x^3+4x^2-2x+26=x^3-15x+4x^2
=>-2x+26=-15x
=>13x=26
x=2