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3 years ago

X^4 + 4x^3 + 3x^2 + 4x + 2 x²+1

Mathematics

1 answer:

dalvyx [7]3 years ago

6 0

Answer:

${x}^{4} + 4 {x}^{3} + 4 {x}^{2} + 4x + 3$

Step-by-step explanation:

You can get it by adding numbers with same power of x. A like will be appreciated if you understand the explanation

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Step-by-step explanation:

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(this explanation isn't the best so please search up Sohcahtoa if it doesn't make sense)

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3 years ago

Do anyone know how to do this?

kykrilka [37]

Answer:

1.) x=4

2.) x=14

Step-by-step explanation:

FOR #1:

1.) In order to solve the parallelogram, you must know that each opposite sides must equal...

so KL=JM and KJ=LM

2.) To solve for "x", you must substitute

$KL= 7x-2\\JM=12x-22$

so it should end up with...

$7x-2=12x-22$

3.) Solve the equation with some algebra

$7x-2=12x-22\\-5x=-20\\x=4$

FOR #2:

1.) In order for a square, rectangle, parallelogram, (or any shape with four sides), it must equal to 360°. And you just have two given angles, which equal to 180, so that means the unknown equals to 180...So in this case you should have

$(3x+5)+(9x-17)+180=360$

as your equation...

2.) Solve with algebra

$(3x+5)+(9x-17)+180=360$

$3x+5+9x-17=180\\12x-12=180\\(\frac{1}{12}) 12x=168 (\frac{1}{12})\\x=14$

<u><em>multiplied</em></u>

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