Simplify : `a^2xxa^3xxa^(-5)`

Simplify: 3^(3/2)

Simplify : a. (-2)^(3)xx(-3)^(3) b. 5^(2)xx10^(5)

Simplify: (2x^2+3x-5)(3x^2-5x+4)

Simplify : a^(2) - 2a + {5a^(2) - 3a - 4a^(2)}

Simplify: x^2-3x+5-1/2(3x^2-5x+7)

Simplify : (2x-5y)^3-(2x+5y)^3

Simplify : a. 15^(7)-:5^(3) b. ((5^(4))^(3)xx2^(12))/(3^(12)) c. ((4^(3))^(2)xx5^(6))/(10^(6)) d. (2xx3^(4)xx2^(5))/(9xx4^(2)) e. (2^(2)xx3^(4)xx16)/(3^(2)xx32) f. (4^(5)xxa^(8)xxb^(16))/(4^(4)xxa^(7)xxb^(4))

Simplify: (i) 2^(55)xx2^(60)-2^(97)xx2^(18) (ii) 2^3xxa^3xx5a^4 , (iii) (3^n+3^(n+1))/(3^(n+1)-3^n), Where n is a natural numbers.

Simplify : a^(5) div a^(3) + 3a xx 2a

Simplify : (4xx10^(-2))-(2.5xx10^(-3))