(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 ▸

The line AB has equation 3x +5y = 7 . Find the gradient of AB.


Solve to find x: 32x + 43 = -8x - 17


Solve the simaltaneous equations: 3x + 4y = 10, 2x + 3y = 7


Sean wants to go on holiday. He is going to get a loan of £ 720 to help pay for the holiday. Sean will have to pay back the £ 720 plus interest of 15 %. He will pay this back in 12 equal monthly installments. How much money will Sean pay back each month?