Answer:
What is a polynomial?
- In mathematics, a polynomial is an expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponentiation of variables
What is a rational function?
- In mathematics, a rational function is any function that can be defined by a rational fraction, which is an algebraic fraction such that both the numerator and the denominator are polynomials.
Are all polynomials rational functions?
.A function that cannot be written in the form of a polynomial, so no they are not all functions.
The sum is 
<em><u>Solution:</u></em>
Given that we have to find the sum
<em><u>Given expression is:</u></em>
We have to add both the expressions
Addition of two polynomials involves combining like terms present in the two polynomials
Like terms are the terms having same variable and same exponent
From given expression,
Remove the parenthesis and add
Combine the like terms
Add the like terms
Thus the sum is
Answer:
<h2>x = -7 or x = 1</h2>
Step-by-step explanation:
Answer:
8x^2-1
Step-by-step explanation:
8x^2-x+4+x-5=8x^2-x+x+4-5=8x^2+4-5=8x^2-1
