Answer:
x = -0.907, 2.57
Step-by-step explanation:
Quadratic Formula: ![x=\frac{-b+/-\sqrt{b^2-4ac} }{2a}](https://tex.z-dn.net/?f=x%3D%5Cfrac%7B-b%2B%2F-%5Csqrt%7Bb%5E2-4ac%7D%20%7D%7B2a%7D)
Since we are given <em>a</em> = 3, <em>b</em> = -5, and <em>c</em> = -7 from our quadratic, we simply use the Quadratic Formula:
Step 1: Plug in variables
![x=\frac{-(-5)+/-\sqrt{(-5)^2-4(3)(-7)} }{2(3)}](https://tex.z-dn.net/?f=x%3D%5Cfrac%7B-%28-5%29%2B%2F-%5Csqrt%7B%28-5%29%5E2-4%283%29%28-7%29%7D%20%7D%7B2%283%29%7D)
Step 2: Solve
![x=\frac{5+/-\sqrt{25+ 84} }{6}](https://tex.z-dn.net/?f=x%3D%5Cfrac%7B5%2B%2F-%5Csqrt%7B25%2B%2084%7D%20%7D%7B6%7D)
![x=\frac{5+/-\sqrt{109} }{6}](https://tex.z-dn.net/?f=x%3D%5Cfrac%7B5%2B%2F-%5Csqrt%7B109%7D%20%7D%7B6%7D)
Step 3: Evaluate for decimals
You should get x = -0.906718 and 2.57338 as your answers.
Answer:
-1xy
-------
2x
Step-by-step explanation:
divide all by 3
Answer:
Area is 99
Step-by-step explanation:
Answer:
x= 1.5
Step-by-step explanation:
According to the question
10x = 15
x = 15 / 10
<u>x = 1.5</u>