## Select the polynomial that can be factored as (4x-5)(16x^2+20x+25)

Question

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## Answers ( No )

f(x) = 64x³ – 125

Multiply each term in the second factor by each term in the first factor

= 4x(16x² + 20x + 25) – 5(16x² + 20 x + 25)

=64x³ + 80x² + 100x – 80x² – 100x – 125

= 64x³ – 125 ← difference of cubes