HOME CALCULATOR BLOG

DOWNLOAD FOR FREE

Step By Step Calculator

4x^2 81 =0

Algebra
Calculus
Trigonometry
Matrix

Type your math problem... 4x^2 - 81 =0

Question

4 x^{2} - 81 = 0

Solve the quadratic equation

Solve using square roots

solver-selected-icon

Solve by factoring

Solve using the quadratic formula

Load more

x_{1} = - \frac{9}{2}, x_{2} = \frac{9}{2}

Alternative Form

x_{1} = - 4.5, x_{2} = 4.5

Show Solution

Graph

Graph