2 years ago

The sum of two consecutive even integers is 74

Mathematics

1 answer:

olasank [31]2 years ago

4 0

Edited in the comment ............

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Billie solved the equation below by completing the square, but she got the incorrect solution. In which step did Billie first ma

Tanzania [10]

Answer:

step 2

Step-by-step explanation:

we have

$x^{2} +10x-49=0$ ---> given problem

step 1

Move the constant to the right side

$x^{2} +10x=49$

the step 1 is correct

step 2

Complete the square

$x^{2} +10x+5^2=49+5^2$

$x^{2} +10x+5^2=74$

The step 2 is not correct

step 3

Rewrite as perfect squares

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step 4

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$x+5=\pm\sqrt{74}$

step 5

Find the values of x

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$x=-5+\sqrt{74}$

$x=-5-\sqrt{74}$

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