x^3=2x+5
x^3-2x-5=0
Graph the equation or use a calculator.
x= 2.09455148
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It's 2. your equation is y=mx+b, so the gradient, or slope, is the "m" in the equation.
no
This equation is unsolvable as x2 cannot be a negative number as would be suggested by this equation. Any number, even a negative, multiplied by itself will always give a positive number but this equation leaves you with x2 = -48
A graph that has 1 parabolla that has a minimum and 1 positive line.
You need another equation.