What is the factored form of 2x2 + 20x + 50?

Answers

Answer 1

Answer: 2x^2+20x+50
Find the GCF of the 3 given numbers (2,20,and 50) in this case it 2
divide the whole equation by 2
You are left with:
2(x^2+10x+25)
From here simply factor it.
ask yourself, what 2 numbers would multiply to make 25 but add to make 10
5 x 5=25
5+5=10
so 5 and 5...
(x+5)(x+5)
Now you need to break the expression: x^2+10x+25 into groups
like this:
(x^2+5x)+(5x+25)
Find the GCF of each number set (5 and 1, 5 and 25 )
divide by the numbers you get. In this case for 5 and 1 it is just x divide both numbers by x to get :
x(x+5)
For 5 and 25 it is 5 so you get:
5(x+5)
Combine the 2 expressions we got.
x(x+5)+5(x+5)
Factor out the equation and you get your final answer
2(x+5)(x+5) or it can also be written as 2(x+5)^2

Answer 2

Answer: 2x^2+ 20x+ 50
= 2*(x^2+ 10x+25)
= 2(x+5)^2.

The final answer is 2(x+5)^2.

Hope this would help~

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What is the solution of the equation? W-2 = -3
a. -3/2
b. -5
c. -1
d. 0

Answers

$w-2 = -3\nw -2+2 = -3+2\nw = -3+2\nw =2-3\n\n\boxed{\bf{w=-1}}$

Your answer is C.

How much farther is earth form the sun than it is from Venus?

Answers

Answer:

Earth is 1.1 x 10^8 km farther from the Sun than it is from Venus

Step-by-step explanation:

What is the slope of the line? -3x+5y=2x+3y

Answers

Answer: 5/2

Step-by-step explanation:

Answer:

5/2

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for khan

After school, Marcus can walk 1 mile to the library in about the same time he can bike 2.5 miles to the sporting goods store. His speed on the bike is 6 mi/h faster than his walking speed. what is Marcus' walking speed?

Answers

$d-distance\nt-time\nv-speed$

$d_1=1mile\nd_2=2.5miles\nt_1=t_2\nv_1+6=v_2\n\nv=(d)/(t)\to vt=d\to t=(d)/(v)\n\n(d_1)/(v_1)=(d_2)/(v_2)\n\n(1)/(v_1)=(2.5)/(v_1+6)\n\ncross\ multiply:\n2.5v_1=v_1+6\n2.5v_1-v_1=6\n1.5v_1=6\ \ \ \ \ /:1.5\nv_1=4\n\nAnswer:Marcus'\ walking\ speed\ is\ 4\ mph.$

When 5 is added to 2 times a number the result is 45

Answers

I'm going to assume that you want us to figure out what the number is for you.

You said: 2x + 5 = 45

Subtract 5 from each side:

2x = 40

Divide each side by 2 :

x = 20

the answer is 20 which I calculated from the equation of 2x+5=45

Which measurement is equivalent to 4221 cm3?A.
4221 L

B.
42.21 L

C.
4.221 L

D.
0.4221 L

Answers

If you would like to know which measurement is equivalent to 4221 cm^3, you can calculate this using the following steps:

1 cm^3 = 1 mL

4221 cm^3 = 4221 mL

1 mL = 0.001 L

4221 mL = 4.221 L

The correct result would be C. 4.221 L.

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