Let's divide----
`(2a^4 - a^3 - 2n^2 + 5a - 1) by (2a^2 + a - 3)`

Let's divide:- (2a^4 - a^3 - 2a^2 + 5a - 1) by (2a^2 + a - 3)

Let's divide:- (m^4 - 2m^3 - 7m^2 + 8m + 12) by (m^2 - m - 6)

Let's divide:- (m^2 + 4m - 21) by (m-3)

Let's divide:- (6c^2 - 7c + 2) by (3c - 2)

Let's calculate mentally :- 5a^2b - 2a^2b - 3a^2b+ 8a^2b

Let's Substract: (5a^2 + 2a -1) From (-9a^2 + 3a + 2)

Let's find the product by successive multiplication____ (2a^3 - 3b^3), (2a^3 + 3b^5) (2a^4 - 3a^2b^2 + b^4)

Let's factorise (8m^3 + 12m^2n + 6mn^2 + n^3)

Let's find the roots of the equations 3(x-4)^2 + 5(x-3)^2 = (2x - 5) (4x -1) - 40

Let's find the roots of the equations 3(y-5)^2 + 5y = (2y - 3)^2 - (y + 1)^2 + 1