Rewrite the equation by completing the square.
1 answer:
Answer:
(x + 1/2)^2 = 289/4
Step-by-step explanation:
x^2+x-72=0
Write like this:
(x + ___)^2 = ___
put 72 on other side
x^2 + x = 72
x^ + x + (1/4) = 72 + (1/4)
(x + 1/2)^2 = 289/4
x + (1/2) = 17/2
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Answer:
Answer:
24.
Step-by-step explanation:
The answer to this can be found by dividing 72 by 3.
72 divided by 3 = 24.
I think the answer is yes
The answer is 7
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