Question

Calcule:
(7+3)(7-3)
(7+3)³
(7+3)²
(7-3)²

Answer 1

40
1000
100
16
espero ter ajudado

Answer 2

$(7+3)(7-3)=7^2-(3*7)+(3*7)-(3^2)=49-9=40$
ou
$(7+3)(7-3)=10*4=40$

$(7+3)^3=(7+3)(7+3)(7+3)=10*10*10=1000$

$(7+3)^2=(7+3)(7+3)=10*10=100$

$(7-3)^2=(7-3)(7-3)=4*4=16$