Expand and simplify the following expression: x(5x – 2) – 3(x2 – 2x + 7)

5x2 – 2x – 3x2 + 6x – 21= 2x2 + 4x − 21

Related Maths GCSE answers

All answers ▸

Write the following in their simplest form: a) 8^0 b) 64^(2/3) c) 0.54545454...


Factorise the expression: 2x^2 + 17x + 21


I set up a tent (assume it’s a regular triangular prism) of length 2.2m. The triangular face of the tent is an isosceles triangle. The two identical sides are both 1.4m long and have an angle of 34degrees between them. Work out the volume of the tent -3sf


The turning point on a quadratic function