Question

Factors of (9y²-12xy+4x²)-4z² are

Answer 1

Step-by-step explanation:

The given polynomial can be factorized in two ways:

1) By using the formula

(a - b) = a^2 + b^2 - 2ab

=> 4x^2 +9y^2 - 12xy

=> (2x) ^ 2 + (3y) ^ 2 - 2 (2x) (3y)

=> (2x - 3y) ^ 2

OR

=> (2x - 3y) (2x - 3y)

hope you can understand it