Solve the equation by completing the square. round to the nearest hundredth if necessary. x^2 +3x -5 = 0. 1.19, –4.19 –8.75, 5.75 1.66, 2.69 1.05, –4.05

1.19, –4.19 are correct option .

Step-by-step explanation:

Given : x² +3x -5 = 0.

To find : Solve the equation by completing the square. Round to the nearest hundredth .

Solution : We have given that

x² +3x -5 = 0.

On multiplying and divide by 2 to the term 3x .

x² + * 3x -5 = 0.

On adding and subtracting the square of

.

We can see first three terms are square

- -5 = 0

- -5 =0

On solving

-  =0

On adding both sides by  

=

Taking square root

= ± .

 = ± .

 = ± 2.69 (it has two sign , so we will solve for both)

For + 2.69

On subtracting both side.

 = + 2.69

x = + 2.69 -

x = .

x =  .

x = 1.19

For - 2.69

On subtracting both side.

 = - 2.69

x = - 2.69 -

x =  .

x =  .

x = - 4.19.

Therefore, 1.19, –4.19 are correct option .

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step-by-step explanation:

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step-by-step explanation: