Mathematical Methods · Unit 1 · Binomial expansion and cubic functions · Cubic functions

Solve cubic equations using technology, and algebraically in cases where the equation is factorised.

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Question 1

Solve for $x$ in the following equation. $$2x^3 + 5x^2 - 4x - 3 = 0$$

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Question 2

Solve for $x$ in the equation $2x^3 + 5x^2 - 18x - 45 = 0$.

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