y + y + y + y
4y
Expand
2(x + 3)
2x + 6
Expand
3(x - 7)
3x - 21
Expand
4y(2y + x)
8y2 + 4xy
Factorise
4x + 8
4(x + 2)
Factorise
y2 + 4y
y(y + 4)
Factorise
3x2 + 6x
3x(x + 2)
2m x 3
6m
p + p + p - p
2p
Collect like terms
2x + 6y + 3y + 2x +3y
4x + 12y
Collect like terms together and simplify
3x2 + 5x2 + 3 + 3x + 9 + 2x + 4x
8x2 + 9x + 12
Make y the subject of
x = y + 7
y = x - 7