What polynomial identity should be used to prove that 117= 125 - 8? Difference of Cubes Difference of Squares Square of Binomial Sum of Cubes

Question

asked May 3, 2017 98.9k views

2 Answers

Vich · Answer 1 · 2017-05-09T03:33:17+0000

125 - 8 = 5³ - 2³ =
= ( 5 - 2 ) · ( 5² + 5 · 2 + 2² ) =
= 3 · ( 25 + 10 + 4 ) = 3 · 39 = 117
Answer:
A ) Difference of Cubes