Ineed will give explain how you go the ! x=3√x

 x = 0, x = 9

Step-by-step explanation:

x = 3√x            Restriction: x ≥ 0

(x)² = (3√x)²      square both sides

x² = 9x              simplified

x² - 9x = 0        subtracted 9x from both sides

x(x - 9) = 0       factored quadratic equation

x = 0  and    x - 9 = 0         applied zero product property

x = 0  and   x = 9              solved for x

Both solutions satisfy the restriction!

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step-by-step explanation:

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right