Answer:
the answer is 4
x
^2
+
10
x
+
2
Step-by-step explanation:
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8/36
Divide the numerator and the denominator by 4
2/9
That's the simplest form
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Exact form : 3.9*10^5
decimal form : 390000
18-2[x+(x-5)]
18-2[2x-5]
18-4x+10
28-4x
-7+x or x-7 <-- Simplified version.
x=7 <-- What x equals.
X + y = 12 . . . . . . . . (1)
x - 3y = -30 . . . . . . . (2)
(1) - (2): 4y = 42
y = 10.5
