Solve for z
z=7\left(x^{2}-1000\right)
Solve for x (complex solution)
x=-\frac{\sqrt{7\left(z+7000\right)}}{7}
x=\frac{\sqrt{7\left(z+7000\right)}}{7}
Solve for x
x=\frac{\sqrt{7\left(z+7000\right)}}{7}
x=-\frac{\sqrt{7\left(z+7000\right)}}{7}\text{, }z\geq -7000
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z=7x^{2}-7000
Use the distributive property to multiply 7 by x^{2}-1000.
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