To factorize the given expression:
(2x - 1)(x - 4) + (x - 4) + (x - 4)² - 2(x - 4)(x + 3) + (x - 4)
You can first notice that there's a common factor of (x - 4) in all the terms. Factor that out:
(x - 4)[(2x - 1) + 1 + (x - 4) - 2(x + 3) + 1]
Now, simplify the expression within the square brackets:
(2x - 1) + 1 + (x - 4) - 2(x + 3) + 1 = 2x - 1 + 1 + x - 4 - 2x - 6 + 1
= (2x + x - 2x) + (1 - 4 - 6 + 1)
= x - 9
So, the factored expression is:
(x - 4)(x - 9)
Merci chatgpt (j'ai pas vérifié hein
)