How do I expand double brackets?
Use the moon method.
E.g. (x+1)(x+2)
-
multiply x with x
-
multiply x with 2
-
mutiply 1 with x
-
multiply 1 with 2
If you draw this out it will look like a moon shape.
- now put the like terms together
SH
Related Maths GCSE answers
All answers ▸If f(x) = 3x +x^2, what is f(-2)?
Solve 3x - 5 = 13
What is the equation of the straight line perpendicular to the midpoint of the straight line that passes through (0,5) and (-4,7)?
A car costs £5,899.99, not including VAT. If the VAT rate is 20% how much does the car cost in total?