Expand the brackets and simplify: 7(2x+3y)-x(14-y)

= 14x+21y-14x+xy

=y(21+x)

IA

Related Maths GCSE answers

All answers ▸

The normal price of a television is £1200. It is reduced to £970. Work out the percentage reduction. Give your answer to 1 decimal place.


Solve algebraically: 6a+b=16, 5a-2b=19


Show that (x + 1)(x + 2)(x + 3) can be written in the form ax3 + bx2 + cx + d where a, b, c and d are positive integers.


What is the gradient and the y-intercept of the graph y = 3x + 7 ?