(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 ▸

(6/x-2)-(2/x+3)=1


Solve the simultaneous equations (1) 2x+3y=3 and (2) 3x+2y=7


Simplify fully (x^2 + 3x)/(4x + 12)


Solve the simultaneous equation by elimination: 3x + y = 11 and 5x + y = 4