# adding square roots   12 videos

• #### Estimating Square Roots

How to find square roots of integers.

estimating square root approximation principal square root perfect square
• #### Solving Quadratic Equations Using Square Roots

How to solve quadratic equations using square roots.

square root
• #### Cube Roots

How to find the cube root of a number.

cube root
• #### Completing the Square

How to solve a quadratic equation by completing the square.

completing the square perfect square trinomial
• #### Difference of Perfect Squares

##### AlgebraFactoring

How to recognize and factor a binomial that is the difference of perfect squares.

perfect square coefficients binomial

• #### Factoring: Special Cases Part I

##### AlgebraFactoring

How to factor perfect square trinomials.

FOIL difference of perfect squares perfect square trinomial

• #### Adding and Subtracting Polynomials

##### AlgebraPolynomials

How to add or subtract polynomials.

simplify combine like terms
• #### Adding and Subtracting Rational Expression

##### AlgebraRational Expressions and Functions

How to add or subtract rational expressions.

common denominator excluded value