Expand 5(2x-6)

To begin answering this question create a small grid

put 5 on the left hand side and put 2x and -6 seperately at the top of the grid

then you can multiply 5 by 2x to gain 10x and multiply 5 by -6 to gain -30

finally to get your final answer you would put 10x together with -30 to gain 10x-30

ZY

Related Maths GCSE answers

All answers ▸

Why is completing the square useful and how do you do it?


There are 200 students in Year 10 110 are boys. There are 250 students in Year 11 140 are boys. Which year has the greater proportion of boys? (Taken from Nov 2014 AQA Unit 2)


How do I calculate the length of a regular pentagon's edge when I know that it has the same perimeter as a triangle who's perimeter is 30cm?


Expand and simplify (x+4)(x-5).