This document shows the factorization of four quadratic expressions: (X+10)(x-10), (x+3)(x+3), (x+4)(x+4), and (x+1)(x-1). Each expression is factored into a product of two linear factors and simplified to reveal the coefficient of x^2, the coefficient of x, and the constant term.

1. (X+10)(x-10) (x+3)(x+3)
x2
+6x+9 (x+4)(x+4)
x2
+8x+16 (x+1)(x-1)
x2
- 1 FINAL