1) 2) (√98-√50)·√8

Question

1)
2) (√98-√50)·√8

Answer 1

1. x< -2,4
-24 - 10x = x^2
x^2 + 10x + 24 = 0
По теореме Виета
x1 = -6
x2 = -4
2. sqrt(98)*sqrt(8) - sqrt(50)*sqrt(8) = sqrt(98*8) - sqrt(50*8) = 28 - 20 = 8

Comments

Спасибо!