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jeka94
2 years ago
10

Rewrite the equation by completing the square.

Mathematics
1 answer:
dlinn [17]2 years ago
8 0

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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