I think ur homework sheet is wrong the difference is definitely 6
Answer:
Simplified = 5
Classification = Monomial
Step-by-step explanation:
<h2>PART I: Simplify the expression</h2>
<u>Given expression:</u>
3x² + 6x + 5 - 3x (2 + x)
<u>Expand parenthesis by distributive property:</u>
= 3x² + 6x + 5 - 3x (2) - 3x (x)
= 3x² +6x + 5 - 6x - 3x²
<u>Put like terms together:</u>
= 3x² - 3x² + 6x - 6x + 5
= 0 + 0 + 5
= 
<h2>PART II: Classify polynomial</h2>
<u>Concept:</u>
Polynomial is classified by the number of terms a polynomial has.
- Monomial: a polynomial with only one term
- Binomial: a polynomial with two terms
- ...
<u>Classify the given expression:</u>
Original = 3x² + 6x + 5 - 3x (2 + x)
Simplified = 5
5 is a constant and it has only one term
Therefore, it is a <u>monomial</u>.
Hope this helps!! :)
Please let me know if you have any questions
]Answer:

Step-by-step explanation:
Substitute the value of the variable into the equation and simplify.

Solve it out.
Multiply / divide / add / subtract everything out.
Answer:
<em>The measure of angle J is 44°</em>
Step-by-step explanation:
<u>Isosceles Trapezoid</u>
The isosceles trapezoid has its non-parallel sides of the same length, thus the angles they form with their respective parallel sides are congruent.
It means: Angle J is congruent with angle K and angle M is congruent with angle L
The sum of angles in a trapezoid is 180*(4-2)=360°
Thus:


Joining like terms:

Adding 24:

Dividing by 64:
x=6°
Thus:


The measure of angle J is 44°
<h3>I'll teach you how to solve 15x ^2 −4x−4</h3>
--------------------------------------------------------
15x ^2 −4x−4
Break the expressions into groups:
(15x^2+6x) + (-10x-4)
Factor out 3x from 15x^2+6x:
3x(5x+2)
Factor out -2 from -10x-4:
-2(5x+2)
3x(5x+2) -2(5x+2)
Factor out common term 5x+2:
(5x+2)(3x-2)
Your Answer Is (5x+2)(3x-2)
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