f(x)=x3+6x2+4x−15f(x)=x^3+6x^2+4x-15f(x)=x3+6x2+4x−15
Use the factor theorem to show that x=−3x=-3x=−3 is a solution to f(x)=0f(x)=0f(x)=0.
Find the other solutions to the equation f(x)=0f(x)=0f(x)=0, giving your answers to 2 decimal places.
6 exam-style questions on Edexcel AS Level Maths 7.3 The Factor Theorem. Each one has a worked solution and a mark scheme showing where the marks go.