(2x-5)(3x+2)(x+7) - Expand the brackets.

(6x^2+4x-15x-10)(x+7)(6x^2 -11x-10)(x+7)= 6x^3-11x^2-10x+42x^2-77x-70)=6x^3+31x^2-87x-70

GA

Related Maths GCSE answers

All answers ▸

Solve the quadratic equation x^2 + x - 20 = 0


Work out the increase in price from £1.50 to £2.00 as a percentage.


How do you convert between fractions, decimals and percentages?


How do we factorise?