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Algebraic Methods

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Question 6

f(x)=x3+6x2+4x−15f(x) = x^3 + 6x^2 + 4x - 15f(x)=x3+6x2+4x−15

a.

Use the factor theorem to show that x=−3x = -3x=−3 is a solution to f(x)=0f(x) = 0f(x)=0

[2]
b.

Find the other solutions to the equation f(x)=0f(x) = 0f(x)=0 giving your answers to 2 decimal places

[5]

Algebraic Methods Questions

  1. AS Level
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