### 1.1 What is a polynomial?

# Introduction to Polynomials

Polynomials are sums of terms of the form k⋅xⁿ, where k is any number and n is a positive integer. For example, 3x+2x-5 is a polynomial. This video covers common terminology like terms, degree, standard form, monomial, binomial and trinomial.

# Introduction to Polynomials

Polynomials are sums of terms of the form k⋅xⁿ, where k is any number and n is a positive integer. For example, 3x+2x-5 is a polynomial. This video covers common terminology like terms, degree, standard form, monomial, binomial and trinomial.

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More help on polynomials

More help on polynomials

### 1.2 Adding & Subtracting Polynomials

# Adding Polynomials

Adding polynomials is the same as the procedure used in combining like terms. When adding polynomials, simply drop the parenthesis and combine like terms.

# Adding Polynomials

Adding polynomials is the same as the procedure used in combining like terms. When adding polynomials, simply drop the parenthesis and combine like terms.

# Subtracting Polynomials

When subtracting polynomials, distribute the negative first, then combine like terms.

# Subtracting Polynomials

When subtracting polynomials, distribute the negative first, then combine like terms.