Answer:

Step-by-step explanation:
The given polynomials are,

In polynomial addition and subtraction only like terms can be added or subtracted.
So,

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
Answer:
8
Step-by-step explanation:
Answer:

Step-by-step explanation:
The graph is in the image

Answer:
<h2>1. (-6, 0) and (-1, 0)</h2><h2>2. not exist</h2><h2>3. (5, 0)</h2>
Step-by-step explanation:
The zeros of a quadratic function are x-intercepts of parabola.
Graph #1:
x = -6 and x = -1
Graph #2:
not exist
Graph #3:
x = 5
Answer:
Step-by-step explanation:
Slope of the line through (0,3) and (2,5) = (5-3)/(2-0) = 1.
Equation of line: y = x+3
When x=3, y=6
(3,n) = (3,6)