Question

2)Zapisz za pomocą sum algeraicznych wyrażenia:

a) (x+a)(x²-ax+a²) =

b) (3+x)(9-3x+x²) =

c) (y+4)(16-4y+y²) =

d) (2-y)(4+2y+y²) =

e) (25+5x+x²)(x-5) =

f) (√2-z)(z²+2+√2z) =

Answer 1

a) x do  pot3 +a do pot 3 

b)27+x do pot3

c)y do pot 3+ 64

d)8 - Ydo pot 3

e)-125 + x do pot3

f)2pierw z 2 - z do pot 3

 

 

 

 

 

 

 

 

 

 

Answer 2

a³+b³=(a+b)(a²-ab+b²)

a) (x+a)(x²-ax+a²) = x³+a³

b) (3+x)(9-3x+x²) =27 +x³

c) (y+4)(16-4y+y²) =y³+64

d) (2-y)(4+2y+y²) =8-y³

e) (25+5x+x²)(x-5) =x³-125

f) (√2-z)(z²+2+√2z) =2√2-z³