Simplify the expression: (x^2 + x - 6)/(3x^2 + 9x)

Factorise the numerator: x^2 + x - 6 = (x+3)(x-2)

Factorise the denominator: 3x^2 + 9x = 3x(x+3)

Cancel '(x+3)'

Answer: (x-2)/3x

RD

Related Maths GCSE answers

All answers ▸

How do you calculate the sine, cosine and tangent values for 45 degrees without a calculator?


Solve the simultaneous equation: 2x +y =18; x-y=6. (3)


How do I simplify 10/(3 root5)?


Do two random lines, y=ax + b and y=cx + d, intersect? How do we work this out and if they do, where do they intersect?