Advertisements
Advertisements
Question
Multiply: (2x - 3y)(2x + 3y)
Advertisements
Solution
(2x - 3y)(2x + 3y)
⇒ 2x (2x + 3y) - 3y(2x + 3y)
⇒ 2x × 2x + 2x × 3y - 3y × 2x - 3y × 3y
⇒ 4x2 + 6xy - 6xy - 9y2
⇒ 4x2 + 0 - 9y2
⇒ 4x2 - 9y2
APPEARS IN
RELATED QUESTIONS
Factorize 4( x - y)2 -12( x - y)( x + y ) + 9(x + y )2
Factorize `x^2 + 12/35 x + 1/35`
Factorize the following expressions:
10x4y – 10xy4
Factorize the following expressions:
(a - 2b)3 - 512b3
Factorize the following expressions:
`8x^2y^3 - x^5`
`2sqrt2a^3 + 3sqrt3b^3 + c^3 - 3 sqrt6abc`
The expression (a − b)3 + (b − c)3 + (c −a)3 can be factorized as
Evaluate: (8 - 12x + 7x2 - 6x3)(5 - 2x)
Write in the form of an algebraic expression:
Surface area of a cube is six times the square of its edge.
Express the following as an algebraic expression:
The product of 12, x, y and z minus the product of 5, m and n.
