Question

subtract 7x² - 5x-12 from x² – 4x -3​

Answer 1

Answer:

-6x² + x + 9

Step-by-step explanation:

Whenever we subtract polynomials among itself, we must always subtract from the like terms or variables

Here we have 3 types : x², x and constant term

So, given question is :

We must subtract 7x² - 5x-12 from x² – 4x -3​. So,

=>  (x² – 4x -3)​ - (7x² - 5x-12)

=> (1-7)x² + x (-4+5) + (-3 + 12)

=> -6x² + x + 9

Hope it helps!