3 years ago

TheSolution to the equation is ??

Mathematics

1 answer:

spayn [35]3 years ago

5 0

Answer:

X = 1

Step-by-step explanation:

2x^2 + x - 1 = 2

2x^2 + x - 3 = 0

2x^2 + 3x -2x - 3 = 0

x(2x+3) -1 ( 2x+3) = 0

(x-1) (2x+3) = 0

x-1=0

x=1

2x+3=0

2x=-3

x=-3/2.

You might be interested in

Which is the most convenient placement of an isosceles triangle in the coordinate plane for finding the side lengths?

Usimov [2.4K]

Answer:

The bottom left

Step-by-step explanation:

5 0

2 years ago

Solve 7x/3<2<br> {X I X<6/7}<br> {X I X>6/7}<br> {X I X<-14/3}<br> {X I X>-14/3}

Vladimir79 [104]

Answer:

x<6/7

Step-by-step explanation:

7 0

2 years ago

The points plotted below are on the graph of a polynomial. Some of the roots to this polynomial are integers. Which of the follo

Shkiper50 [21]

Answer:

I think its B but I have very little evidence. Don't even put B but I was just saying I think it is.

Step-by-step explanation:

3 0

2 years ago

5 2/3 - 2 5/6 how much is this

Bond [772]

if those are fractions being five and two thirds etc... I believe it would be 17/6. if you convert to improper fractions and then get a common denominator to subtract that should do it. Hope that helps.

6 0

3 years ago

Read 2 more answers

The results of twelve coin flips were recorded in the table above. Find the experimental probability of a coin showing tails aft

Vera_Pavlovna [14]

Out of 12 rolls the tail appeared 8 times

So this experimental probability =8/12 = 2/3 (answer c)

8 0

3 years ago

Read 2 more answers