dawson1327 dawson1327

23-01-2020
Mathematics

contestada

What is the complete factorization of 64x2 - 48x + 9?
O A. (8x - 3)(8x+3)
B. (8x - 3)2
OC. 4(4x - 3)2
D. 4(4x - 3)(4x+3)
Please helppp

Respuesta :

aliagola aliagola

23-01-2020

B. (8x-3)^2
You can’t factor anything out, because there’s no greatest common factor. That leaves the first two, and because the first one is a conjugate pair, the middle term will cancel.

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devishri1977 devishri1977

23-01-2020

Answer:

B) (8x-3)²

Step-by-step explanation:

64x2 - 48x + 9= (8x)² - 2*8x*3 + 3²

Compare with a² - 2ab +b² = (a-b)²; a = 8x and b =3

=(8x-3)²

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