Question

Factor x3 – 4x2 + 7x – 28 by grouping. What is the resulting expression?


(x2 – 4)(x + 7)

(x2 + 4)(x – 7)

(x2 – 7)(x + 4)

(x2 + 7)(x – 4)

Answer 1

Please mark me as a brainlist.. n answer is (x²+7)(x-4)...

Answer 2

Answer:

The resulting expression of $x^3- 4x^2 + 7x-28$ is $(x^2+7)(x-4)$

Step-by-step explanation:

Given:

$x^3- 4x^2 + 7x-28$

We need to find the resulting expression:

$=x^3- 4x^2 + 7x-28\\\\=x^2(x-4)+7(x-4)\\\\=(x^2+7)(x-4)$