If x - -5 - i-32- prove that x2 - 5x2 - xx - 5 - 42

x = 5 + i√(3)2 x + 5 = 5 + i√(3)2 = ( 5 i√(3)2) ∴ x(x + 5) = 14[( 5)^2 + (√(3))^2] = 7 ∴ E ...

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Addition and Subtraction of Algebraic Expression

If x = -5 ...

Question

If $x = \frac{- 5 + i \sqrt{3}}{2}$ , prove that $(x^{2} + 5 x)^{2} + x (x + 5) = 42$

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