3x^2+y^3-x^2-y^3
4y^2-3y^2
4yx^2-3y^2
1+1
Factorize 4x2 - 9y2 + 20x + 25
xy+yx-2xy+1
In the diagram, \SQ\ = 4cm, \PT\ = 7cm. /TR/ = 5cm and ST//OR. If /SP/ = xcm, find the value of x
3xy+4xy-xy
xy+yx
5p-3q+2-4p+5+4q
