Question
How do I solve this?
125x^3 + 343 = 0
Please help me!
125x^3 + 343 = 0
Please help me!
Answers
MathMate
Hints:
125x^3 + 343 = 0
(5x)³ - 7³ = 0
and
a³-b³=(a-b)(a²+ab+b²)
125x^3 + 343 = 0
(5x)³ - 7³ = 0
and
a³-b³=(a-b)(a²+ab+b²)
Kat
Thank you!
MathMate
You're welcome!