2x^2 - 16x + 32

Solution: x=4. This can be shown by factorisation or applying the quadratic formula.

NO

Related Maths GCSE answers

All answers ▸

Solve simultaneously, x+y=2 and 4y^2-x^2=11


Solve these simultaneous equations: 2x + y = 7, and 3x - y = 8. Do so by 1) Eliminating an Unknown and 2) Substitution.


Solve the simultaneous equations for x and y: 3x+2y = 14 and 5x-y = 6


Simplify the expression 5x + 6y -4x+ 7y