Ramos1423viz
Answered

answer please ..

1)       (x+y)²
2)       (x+y)³
3)       2(2-5)²
4)       (2-3)(2+3)
5)       (x+y+z)²

Sagot :

Mariamikaylaviz
[tex]1) (x+y)^2 \to x^2 +2xy+y^2 \\\\ 2)(x+y)^3\to x^3+3x^2y+3xy^2+y^3 \\\\ 3) 2(2-5)^2\to 2*(-3)^2=2*9\to \boxed{18} \\\\ 4) (2-3)(2+3)\to(-1)*5\to\boxed{-5} \\\\ 5)(x+y+z)^2\to x^2+y^2+z^2 +2xy+2yz+2xz[/tex]

Viz Other Questions