TMUA 2016 Paper 1 Q2 — Worked Solution

P1·Algebra & Surds·4.5Official · 2016 · Q2

factor-theoremcubic-factorisationpolynomial-division

The expression

3 x^{3} + 13 x^{2} + 8 x + a

, where

a

is a constant, has

(x + 2)

as a factor. Which one of the following is a complete factorisation of the expression?

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