Extra fats from your body and reduce your calories. it will also help you to stable your metabolic system - id980076120220417 от ilyaachkasovggp06kg1 17.04.2022 23:14

Question

Алгебра: Extra fats from your body and reduce your calories. it will also help you to stable your metabolic system and never let the fats stored in your body. by adding vexgen keto in your regular routine will help you to fight with the obesity and allow you to perform well in your regular routine with enhanced level of energy. i was very depressed because of my bulkier figure i want to get the rapid results in my weight reduction. instead of trying all the heath tips i did not reach to the expected results.

ilyaachkasovggp06kg1 · Accepted Answer

Решите уравнение:

(2x²−3x)²+ 7*(2x²−3x) −1 8=0

решение : замена t =2x²−3x

t² + 7t - 18 = 0 (квадратное уравнение D=7² - 4*1*(-18) =11 ², t =(-9±11)/2, но ...) ⇔ t² - 2t +9t - 18 =0 ⇔ t (t - 2)+ 9(t -2) =(t -2)(t+9) =0 ⇒ t = - 9 или t =2.

a) 2x²−3x = -9 ⇔2x²− 3x+ 9 =0 ; D =(-3)² - 4*2*9 = -63 < 0 ⇒нет решений

б) 2x²−3x =2 ⇔ 2x²−3x -2 =0 }} D =(-3)² -4*2*(-2) =5² ⇔ x =(3 ±5) 4 .

* * * По т. Виета 2x²−3x -2 =0 ⇔ x²−(3/2)x -1=0 ⇔ x²−(2 -1/2)*x +2 *(-1/2) =0 * * *

x₁ = -1/2 ; x₂ =(3+5)/5 =2.

ответ : - 1/2 ; 2 .

MOGZ ответил