The distance between -6 and 15 on a number line is 9?
1 answer:
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Answer:
Step-by-step explanation:
we have
step 1
Group terms that contain the same variable, and move the constant to the opposite side of the equation
step 2
Factor the leading coefficient
step 3
Complete the square. Remember to balance the equation by adding the same constants to each side
step 4
Rewrite as perfect squares