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Emerson Wu
Mathematics
6 July, 04:32
I'm in Algebra 1 ...
x (x-5) = 14
+4
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2
)
Shaw
6 July, 04:51
0
x = 7 or x = - 2
Step-by-step explanation:
Solve for x over the real numbers:
x (x - 5) = 14
Expand out terms of the left hand side:
x^2 - 5 x = 14
Add 25/4 to both sides:
x^2 - 5 x + 25/4 = 81/4
Write the left hand side as a square:
(x - 5/2) ^2 = 81/4
Take the square root of both sides:
x - 5/2 = 9/2 or x - 5/2 = - 9/2
Add 5/2 to both sides:
x = 7 or x - 5/2 = - 9/2
Add 5/2 to both sides:
Answer: x = 7 or x = - 2
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Laurel Steele
6 July, 05:00
0
X=7 or x = - 2
you gotta solve for x
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