Definitions
What is a polynomial?
An expression with variables, coefficients, and exponents.
(5x−2)−(x−1)
4x-1
(2x+3)+(x+5)
3x+8
2(x+3)
2x+6
6x+12/3
2x+4
What is a monomial?
A polynomial with one term.
(3x^2+x)-(x^2+2x)
2x^2-x
(4x^2+x)+(2x^2+3x)
6x^2+4x
(x+2)(x+1)
x^2+3x+2
8x^2+4x/4
2x^2+x
What does like terms mean?
Terms with the same variables and the same exponents.
(4x+6)-(2x+3)
2x+3
(3x+7)+(5x-2)
8x+5
(x+4)(x+3)
x^2+7x+12
9x+3/3
3x+1
The highest exponent of the variable.
(5x^2-3x+1)-(2x^2-x-4)
3x^2+6x-12
(x^2+2x+1)+(3x^2-x+4)
4x^2+x+5
(2x+1)(x+5)
2x^2+11x+5
10x^2+5x/5
2x^2+x
What is a trinomial?
A polynomial with three terms.
(6x^2+2x-5)-(3x^2-4x+7)
3x^2+6x-12
(2x^2+3x+6)+(x^2-4x-1)
3x^2-x+5
(x-3)(x+6)
x^2+3x-18
12x^2-6x+9/3
4x^2-2x+3