Solve x* x^2-9=55 - ScanMath

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Type your math problem... x* x^2-9=55

x

Question

Solve the equation

x = 4

Evaluate

x \times x^{2} - 9 = 55

Multiply the terms

More Steps

Evaluate

x \times x^{2}

Use the product rule a^{n} \times a^{m} = a^{n + m} to simplify the expression

x^{1 + 2}

Add the numbers

x^{3}

x^{3} - 9 = 55

Move the constant to the right-hand side and change its sign

x^{3} = 55 + 9

Add the numbers

x^{3} = 64

Take the 3 -th root on both sides of the equation

3 x^{3} = 364

Calculate

x = 364

Solution

More Steps

Evaluate

364

Write the number in exponential form with the base of 4

3 4^{3}

Reduce the index of the radical and exponent with 3

4

x = 4

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