Simplifying

• Simplify the expression (2x + y)(3x - 5y)
• Simplify the expression x(a+b)-y(c-d)
• x(a+b)-y(c-d) = ax - bycd
• x(a+b)-y(c-d) = ax - bycd
• (p/q)^m = p^mq^-mq
• (ab)^n = a^nb^n
• (x^2)^3 = x^6