Solve for z
z=4x^{2}-25
Solve for x (complex solution)
x=-\frac{\sqrt{z+25}}{2}
x=\frac{\sqrt{z+25}}{2}
Solve for x
x=\frac{\sqrt{z+25}}{2}
x=-\frac{\sqrt{z+25}}{2}\text{, }z\geq -25
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z=2^{2}x^{2}-5^{2}
Expand \left(2x\right)^{2}.
z=4x^{2}-5^{2}
Calculate 2 to the power of 2 and get 4.
z=4x^{2}-25
Calculate 5 to the power of 2 and get 25.
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