I have to do step by step why the answer of (5x - 1) (5x - 1) is 25x^2 - 10x + 1. How do i do it?

(5x - 1) (5x - 1)

Ans: 25x^2 - 10x + 1

Find an equation for the linear function which has slope -10 and x-intercept -7

Maurice has 54 fewer comic books than rebecca.they have 130 comic books together .how many comic books are in maurices collection ? how many comic books are in rebeccas collection

If the value of cos330°is√3/2 then find cos 165°.