Factorise the quadratic equation: 3x^2+x-2
3x^2+3x-2x-2
3x(x+1)-2(x+1)
(3x-2)(x+1)
PA
Related Maths GCSE answers
All answers ▸How can I work out the area of a semi-circle with a diameter of 12cm?
How do I approach simultaneous equations with 2 unknowns?
a)By completing the square, prove the quadratic formula starting from ax^2+bx+c=0, b) hence, or otherwise solve 3x^2 + 7x -2= 9, to 3s.f.
Factorise 3a^2 - 9a