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 ▸

Express 56 as a product of prime factors in its simplest form


When do I use the Sine rule?


0.15^2 x (1-0.15)^3 to 2 s.f


Solve this equation: x²-x-6=0