Solve for x
x=-2.5625
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2\times 0.5625+2x+4=0
Calculate 0.75 to the power of 2 and get 0.5625.
1.125+2x+4=0
Multiply 2 and 0.5625 to get 1.125.
5.125+2x=0
Add 1.125 and 4 to get 5.125.
2x=-5.125
Subtract 5.125 from both sides. Anything subtracted from zero gives its negation.
x=\frac{-5.125}{2}
Divide both sides by 2.
x=\frac{-5125}{2000}
Expand \frac{-5.125}{2} by multiplying both numerator and the denominator by 1000.
x=-\frac{41}{16}
Reduce the fraction \frac{-5125}{2000} to lowest terms by extracting and canceling out 125.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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