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vredina [299]
3 years ago
10

Simplify square root 20 + square root 80

Mathematics
1 answer:
timama [110]3 years ago
8 0

Answer:2\sqrt{5} \\+4\sqrt{5}



The square root of 20 simplified is 2\sqrt{5} \\

And the square root of 80 simplified is 4\sqrt{5}

So it would look like 2\sqrt{5} \\+4\sqrt{5}

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Answer:

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Step-by-step explanation:

-5(x + 3) = 15

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-5x -15 =15

Add 15 to each side

-5x-15+15 =15+15

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Divide each side by -5

-5x/-5 = 30/-5

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Step-by-step explanation:

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Vedmedyk [2.9K]

Answer:

8x+19=9x+9

Step-by-step explanation:

Simplifying

(8x + 19) = (9x + 9)

Reorder the terms:

(19 + 8x) = (9x + 9)

Remove parenthesis around (19 + 8x)

19 + 8x = (9x + 9)

Reorder the terms:

19 + 8x = (9 + 9x)

Remove parenthesis around (9 + 9x)

19 + 8x = 9 + 9x

Solving

19 + 8x = 9 + 9x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-9x' to each side of the equation.

19 + 8x + -9x = 9 + 9x + -9x

Combine like terms: 8x + -9x = -1x

19 + -1x = 9 + 9x + -9x

Combine like terms: 9x + -9x = 0

19 + -1x = 9 + 0

19 + -1x = 9

Add '-19' to each side of the equation.

19 + -19 + -1x = 9 + -19

Combine like terms: 19 + -19 = 0

0 + -1x = 9 + -19

-1x = 9 + -19

Combine like terms: 9 + -19 = -10

-1x = -10

Divide each side by '-1'.

x = 10

Simplifying

x = 10

6 0
1 year ago
Read 2 more answers
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