Question

1. Zastosuj wzory skroconego mnozenia:

(x+3)2

(x-1)2

(x-4)*(x+4)

2. Uprosc;

(x-1)2-(x+4)2=

(1-x)*(1+x)+(x-4)2=

(3x+4)2-(2x-3)2=

3*(x-5)2=

Answer 1

1.

x^2+6x+9

x^2-2x+1

x^2-16