Question

respondam ai pfvvv (8 pontos)​

Answer 1

a) (4x+1)(4x-1)

16x²-4x+4x-1

16x²-1

b) (5+2x)²

(5+2x)(5+2x)

25+10x+10x+4x²

4x²+20x+25

c) (a²-2y)²

(a²-2y)(a²-2y)

a⁴-2a²y-2a²y+4y²

a⁴-4a²y+4y²

d) (a+c)³

a³+3a²c+3a²c+c³

e)(3x-1)³

27x³-27x²+9x-1