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Harman [31]
3 years ago
11

CAN SOMEONE HELP ME I DONT UNERSTANND THIS PROBLEM

Mathematics
1 answer:
satela [25.4K]3 years ago
8 0

Answer:

Step 2     B

Step-by-step explanation:

You are supposed to solve the parentheses and exponents first.

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Simplify the expression
erastova [34]

Answer : A

We need to simplify the given expression

Lets factor numerator first

2x^2-5x-3 =(2x+1)(x-3)

x^2+8x+15 =(x+5)(x+3)

Now we factor the denominator

x^2+x-20 =(x+5)(x-4)

2x^2+9x+4 =(2x+1)(x-4)

Now we simplify it

\frac{(2x+1)(x-3)}{(x+5)(x-4)} * \frac{(x+5)(x+3)}{(2x+1)(x-4)}

Now cancel out same factors. so we left with

\frac{(x+3)(x-3)}{(x+4)(x-4)} }

Now multiply the factors

\frac{x^2-9}{x^2-16} }



6 0
3 years ago
Find all real and imaginary solutions to the equation x^3-4x^2+x-4=0
lawyer [7]

Step-by-step explanation:

STEP 1

Equation at the end of step 1

(((x3) - 22x2) + x) - 4 = 0

STEP 2

Checking for a perfect cube

2.1 x3-4x2+x-4 is not a perfect cube

<h3>Ans; x=4</h3>
5 0
3 years ago
Uhhh please help me. I dont know why i dont understand this problem
Mariana [72]
The answer is A) because the parabola is less than 3 (open circle) and the line is greater than and equal to 3 (closed circle)
7 0
3 years ago
Robert is a dairy farmer. His favorite cow, Annabelle, produces 7 gallons of milk per day. One gallon of milk weighs 8.6 pounds.
nirvana33 [79]

Answer:

60.2

Step-by-step explanation:

8.6pounds×7gallons

=60.2pounds

4 0
3 years ago
Square the binomial (r+s). what is the result?
baherus [9]

Answer:

answer is b)

{(r + s)}^{2}  =  {r}^{2}  + 2rs +  {s}^{2}

6 0
2 years ago
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