factorize x^2-49
7
5 x =0.2
-x-12
expand and simplify (5h+2)(h+4)
factorize x^2+7x+6
Find the product of a4b² and (2a²b)³.
2x-3y=4
4x-y+13
what is x and y
3x-2=15x+3
