Question

plz help T~T how do I factor x^4-1

Answer 1

well, at first use the difference of squares.

\(\large\color{black}{ \displaystyle \left(x^2\right)^2-1^2}\)

Answer 2

The rule (difference of squares) is: \(\large\color{black}{ \displaystyle a^2-b^2=(a-b)(a+b) }\)

Answer 3

\(\bf \textit{differences of squares}
\\ \quad \\
(a-b)(a+b) = a^2-b^2\qquad \qquad
a^2-b^2 = (a-b)(a+b)\)

Answer 4

oooohhhhhh thanks i know how to do the rest CX thank you

Answer 5

ok, when you are done, blurt out the answer (jk) ... (just for verification).