Which statement describes the first step to solve the equation by completing the square?

4x^2 +16x =20

multiply both sides of the equation by 1/4

add 64 to each side of the equation

add 8 to each side of the equation

multiply both sides of the equation by 1/8

Multiply both sides of the equation by 1/4

Step-by-step explanation:

First step: Multiply both sides of the equation by 1/4

You will have:

x^2 +4x = 5

Then add 4 to both sides

x^2 +4x + 4 = 5 + 4

(x + 2)^2 = 9

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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the equation is not included but the answer is (1.50, 2.00, 2.75)

step-by-step explanation: