X^2-7x+10=0 pomoqite

Question

X^2-7x+10=0 pomoqite

Answer 1

D=(-7)^2-4*1*10=49-40=9. x1=(7-3)/2, x2=(7+3)/2. x1=2, x2=5. 

Answer 2

X² - 7x + 10 = 0 
D = ( - 7 )² - 4*10 = 49 - 40 = 9 = 3²
X1 = ( 7 + 3 ) : 2 = 5 
X2 = ( 7 - 3 ) : 2 = 2 
Ответ 2 ; 5