2 answers:
Answer:
(3x + 5)(9x^2 - 15x + 25)
Step-by-step explanation:
27x^3 + 125
= (3x)^3 + 5^3
= (3x + 5) ((3x)^2 - (3x)(5) + 5^2)
= (3x + 5)(9x^2 - 15x + 25)
FYI: a³ + b³ = (a + b)(a² – ab + b²)
Answer:
<u>(3x + 5)(9x² - 15x + 25)</u>
Step-by-step explanation:
This is given in the form : a³ + b³
Identity :
- a³ + b³ = (a + b)(a² - ab + b²)
Solving :
- 27x³ + 125
- (3x)³ + (5)³
- <u>(3x + 5)(9x² - 15x + 25)</u>
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