Question

5y8 - 125 factor completly

Answer 1

\(\Large \color{purple}{\rightarrow 5y^8 - 5^3 }\)

\(\Large \color{purple}{\rightarrow 5(y^8 - 5^2) }\)

\(\Large \color{purple}{\rightarrow 5[(y^4)^2 - 5^2] }\)

\(\Large \color{purple}{\rightarrow 5[(y^4 + 5)(y^4 - 5)] }\)

Answer 2

The last value was found with the identity: \(a^2 - b^2 = (a + b)(a - b)\)

Answer 3

thannx