(3y2 + 5y - 6) + (7y2 - 9)
(10y2 + 5y - 15)
(3x2y + 6x2 + x) - (4x2 + x + 4)
3x2y + 2x2 - 4
(7x2+8x+2)(8x2+6x+5)
56x4+106x
-x4+x2+x
4
What are Polynomials
Polynomials are an expression of more than two algebraic terms
(4y2 + 8y - 4) + (9y2 - 2)
13y2 + 8y - 6
(3x2 + 2x - 5) - (5x2 - 3x + 2)
-2x2 + 5x - 7
(2x7+4x2+3x)(3x8+2x3+15x)
9x7+6x6+15x
x5y2+x4y2
7
degree of a polynomial
the exponent
(3x2 - 4x + 3) + (2x2 - 5x -4)
5x2 - 9x - 1
(6x3 – 2x2 + 8x) – (4x3 – 11x + 10)
2x3 – 2x2 + 19x – 10
3x2(4x2 – 5x + 7)
x5y3z+2xy3+4x2yz2
9
Leading coefficient
the coefficient of the term with the highest degree
(2x + 5y) + (3x – 2y)
5x + 3y
(x3 + 3x2 + 5x – 4) – (3x3 – 8x2 – 5x + 6)
–2x3 + 11x2 + 10x –10
–6xy(4x2 – 5xy – 2y2)
-24x3y + 30x2y2 + 12xy3
2x3y6z2+5x2y4+x5y7
12
Monomial
(of an algebraic expression) consisting of one term.
(3x3 + 3x2 – 4x + 5) + (x3 – 2x2 + x – 4)
4x3 + 1x2 – 3x + 1
(3x3 – 5x + 9) + (6x3 + 8x – 7)
9x3 + 3x + 2
(3x – 4y)(5x – 2y)
15x2 - 26xy + 8y2
x15y4z9+x8y12z2+x20y7
28
Standard form of a Polynomial
from highest to lowest degree