Let us multiply with the help of identity .
`(7 + 3x) (49 - 21x + 9x^2)`

Let us multiply with the help of identity . (x^2 + y^2) (x^4 - x^2y^2 + y^4)

Let us multiply with the help of identity . (2a + 3) {(a+2)^2 - (a +2) ( a + 1) + (a+ 1)^2}

Let's find the product of the following algebraic expression with the help of the identity 2x {(4x - 3)^2 + (4x - 3)(2x - 3) + (2x - 3)^2}

Let us analyse the factor with the help of identity 8x^3 + 729y^3 = (2x)^3 + (9y)^3

Let's factorise the following algebraic expression with the help of the identity (x + 2)^3 - (x - 2)^3

Let's find the product of the following algebraic expression with the help of the identity (x^2 - 1)(x^4 + x^2 +1)

Let's factorize the following algebraic expression with the help of the identity (a - b)^3x^3 + 216

Let's factorise (27a^3 - 64) with the help of the identity.

Let's Multiply (i) 0.7 × 0.9

Let us solve the equations with the help of identities. Let's write the value of x^3 - y^3 - 6xy if x - y = 2