wislinetheles1234 wislinetheles1234
  • 03-11-2019
  • Mathematics
contestada

The solution to the equation 2x^2+x-1=2

Respuesta :

stevenslusser
stevenslusser stevenslusser
  • 03-11-2019

Answer:

[tex]x=-\frac{3}{2}, x=1[/tex]

Step-by-step explanation:

[tex]2x^2+x-1=2[/tex]

Subtract 2 from both sides and factor:

[tex]2x^2+x-1=2\\2x^2+x-3=0\\(2x+3)(x-1)=0[/tex]

Solve each factor individually:

[tex]2x+3=0\\2x=-3\\x=-\frac{3}{2}[/tex]

[tex]x-1=0\\x=1[/tex]

Answer Link

Otras preguntas

What does a main idea not do? state what the story is about summarize details and events show what a reader will learn illustrate an important idea
When measuring the volume of a liquid in a graduating cylinder, you measure_____. the average between the volume at the top of and the bottom of the meniscus fr
Find median mode range 8 10 8 14 8 15
number bonds subtract ten
Suppose a customer needs an item urgently, but the store is out of stock.
A corner grocery store sold 14 boxes of oranges. Each box contained 5 pounds of oranges. If the profit per box was $1.85, what was the total profit?
the sum of 14 and a number is equal to 17
identify the type of sequence. 4, –4, 4, –4,. . . arithmetic sequence geometric sequence neither
5th grade fiction domain
Write a complete step-by-step plan for dealing with broken glassware on the floor or lab table.