Answers>Maths>A Level>Article

simplify (3x^2 - x - 2) / (x^2 - 1)

factorise the top fraction: 3x^2 - x - 2 = (3x + 2)(x - 1)

factorise the bottom fraction: x^2 -1 = (x + 1)(x - 1)

cancel out the (x - 1) and the final result is (3x + 2) / (x + 1)

AV

Answered by Alice V. • Maths tutor

4349 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Show that r^2(r + 1)^2 - r^2(r - 1)^2 ≡ 4r^3.

What is a Probability Mass Function (PMF)?

What is the derivative of f(x)=sqrt(3x+2)=(3x+2)^(1/2)?

Given y = x(3x+ 5)^3. Find dy/dx.