Question

giup mik voi cac ban 

25a²-25x²+10x-1

Answer 1

\(25a^2-25x^2+10x-1\)

\(=25a^2-\left(5x-1\right)^2\)

\(=\left(5a-5x+1\right)\left(5a+5x-1\right)\)

Answer 2

\(25a^2-25x^2+10x-1=25a^2-\left(25x^2-10x+1\right)=\left(5a\right)^2-\left(5x-1\right)^2=\left(5a+5x-1\right)\left(5a-5x+1\right)\)