Solve 4x^2-11x^6 - ScanMath

Question

Factor the expression

x^{2} (4 - 11 x^{4})

Evaluate

4 x^{2} - 11 x^{6}

Rewrite the expression

x^{2} \times 4 - x^{2} \times 11 x^{4}

Solution

x^{2} (4 - 11 x^{4})

Show Solution

x_{1} = - \frac{4 5324}{11}, x_{2} = 0, x_{3} = \frac{4 5324}{11}

Alternative Form

x_{1} \approx - 0.776545, x_{2} = 0, x_{3} \approx 0.776545

Evaluate

4 x^{2} - 11 x^{6}

To find the roots of the expression,set the expression equal to 0

4 x^{2} - 11 x^{6} = 0

Factor the expression

x^{2} (4 - 11 x^{4}) = 0

Separate the equation into 2 possible cases

x^{2} = 0 4 - 11 x^{4} = 0

The only way a power can be 0 is when the base equals 0

x = 0 4 - 11 x^{4} = 0

Solve the equation

More Steps

Evaluate

4 - 11 x^{4} = 0

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

- 11 x^{4} = 0 - 4

Removing 0 doesn't change the value,so remove it from the expression

- 11 x^{4} = - 4

Change the signs on both sides of the equation

11 x^{4} = 4

Divide both sides

\frac{11 x ^{4}}{11} = \frac{4}{11}

Divide the numbers

x^{4} = \frac{4}{11}

Take the root of both sides of the equation and remember to use both positive and negative roots

x = \pm 4 \frac{4}{11}

Simplify the expression

More Steps

Evaluate

4 \frac{4}{11}

To take a root of a fraction,take the root of the numerator and denominator separately

\frac{4 4}{4 11}

Simplify the radical expression

\frac{2}{4 11}

Multiply by the Conjugate

\frac{2 \times 4 1 1 ^{3}}{4 11 \times 4 1 1 ^{3}}

Simplify

\frac{2 \times 4 1331}{4 11 \times 4 1 1 ^{3}}

Multiply the numbers

\frac{4 5324}{4 11 \times 4 1 1 ^{3}}

Multiply the numbers

\frac{4 5324}{11}

x = \pm \frac{4 5324}{11}

Separate the equation into 2 possible cases

x = \frac{4 5324}{11} x = - \frac{4 5324}{11}

x = 0 x = \frac{4 5324}{11} x = - \frac{4 5324}{11}

Solution

x_{1} = - \frac{4 5324}{11}, x_{2} = 0, x_{3} = \frac{4 5324}{11}

Alternative Form

x_{1} \approx - 0.776545, x_{2} = 0, x_{3} \approx 0.776545

Show Solution