12(80-x)=816 what does x equal?
2 answers:
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6x² + 2x - 20 = 0
3(2x² + x - 10) = 0
3[(2x² - 4x + 5x - 10)] = 0
3[2x(x - 2) + 5(x - 2)] = 0
3(2x + 5)(x - 2) = 0
3=0, 2x + 5 = 0, x - 2 = 0 (Note: 3=0 is false so disregard that equation)
x = , x = 2
Answer: x = {, 2}
Here is the solution...
1)
Solution
We can rewrite
Here,
Now substitute the value, we get
The answer is
2)
Here
Therefore, we get
The answer is-10 \sqrt[3]{5}[/tex]
2)
Solution
Now plug in the above in the given expression, we get
{2*4*2 = 16]
The answer is