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)

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Option D) (x² + 7) ( x - 4)

Step-by-step explanation:

Given~

x³ - 4x² + 7x - 28

✎ Let's solve~

x³ - 4x² + 7x - 28x² ( x - 4) + 7 (x - 4)(x² + 7) (x - 4)

Hope It's Helps~

You have 2 sides that are 2 cms and you have 6 sides that are 1/2 cm and you have 4 sides that are 1 cm. the smallest sides are 1/2 the medium sized sides are 1 and the smallest are 1/2. so to find the perimeter you have to add them all up together so your answer will be 11 cm's