factorise 8x^3 -125
Answers
Answered by
5
Answer:
8x³ - 125
(2x)³ - (5)³ this is in the form of a³ - b³
So , as we know a³ - b³ = (a - b) (a² + ab + b²)
So , (2x + 5) {(2x)² + 2x × 5 + (5)²}
= (2x + 5) (4x² + 10x + 25)
Answered by
1
Answer:
- 8x³-125
- (2x)³-(5) ³
- (2x-5){(2x)²+2x.5+(5)²}
- (2x-5)(4x²+10x+25)
Step-by-step explanation:
we know that..
a³-b³= (a-b)(a²+ab+b²)
Similar questions