Question

12x² - 11 xyz -15y^z^​

Answer 1

Answer:

Step-by-step explanation:

The variables are not common . So how can you add and subtract them . The first thing that you have to do is to learn the properties then you will get the answer.

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Answer 2

Answer:

(3x - 5yz)(4x + 3yz)

Solution:

Here,

The given polynomial is ;

12x² - 11xyz - 15y²z² .

We need to factorize the given polynomial .

Let's factorize it by middle term splitting method.

Working rule :

Split the middle term in such a way that the product of its parts is equal to the product of first and last term .

Thus,

=> 12x² - 11xyz - 15y²z²

=> 12x² - 20xyz + 9xyz - 15y²z²

=> 4x(3x - 5yz) + 3yz(3x - 5yz)

=> (3x - 5yz)(4x + 3yz)

Hence,

The required answer is :

(3x - 5yz)(4x + 3yz)