Question

упростите выражение
(a+5)^2+5a(3a-2)

Answer 1

( a + 5 )^2 + 5a( 3a - 2 ) = a^2 + 10a + 25 + 15a^2 - 10a = 16a^2 + 25

Answer 2

(a+5)²+5a(3a-2)=a²+10a+25+15а²-10a=16a²+25