Question

Разложите на множители:
1) 16-с^2=
2)х^2+8х+16=
3)b^3+27=

Answer 1

1. 16-с^2=4^2-с^2=(4-с)*(4+с)
2.х^2+8х+16= (х+4)^2
3. b^3+27=(b+3)(b^2+3b+9)