Sal solves the equation 2x^2+3=75 by isolating x^2 and taking the square root of both sides.

Learn how to solve quadratic equations like x^2=36 or (x-2)^2=49.

Sal solves challenging quadratic equations like (4x+1)²-8=0 by taking the square root of both sides.

How to Solve Quadratic Equations using Square Root Method. This is the ... Example 1: Solve the quadratic equation below using the Square Root Method.

Sal solves the equation (x+3)²-4=0 and finds the x-intercepts of f(x)=(x-2)²-9.

May 9, 2008 ... For a complete lesson on solving quadratic equations by the square root method, go to - 1000+ online math lessons ...

Oct 28, 2009 ... In algebra, you can solve a quadratic equation by applying the square root rule. With a squared term and a constant, the special quadratic ...

Solving Quadratic Equations Using Square Roots. The general form of a quadratic equation is: ax2+bx+c=0. If b=0 , the equation can solved by putting it in the ...

Jul 15, 2010 ... This video explains how use square roots to solve quadratic equations in the form ax^2+c=0.

Demonstrates how to solve quadratics by the process of taking the square root of both sides. Explains the reasoning, and provides worked examples.