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diamong [38]
3 years ago
13

I can't simplify 5-2(-4x+10)-5x​

Mathematics
2 answers:
Aleonysh [2.5K]3 years ago
7 0

Answer:

5-2(-4x+10)-5x----open brackets and multiply

5+8x-20-5x----combine like terms

8x-5x+5-20

3x-15

3(x-5)

Zolol [24]3 years ago
7 0

Answer:

Simplified : 3x - 15

Step-by-step explanation:

5 - 2(-4x + 10) - 5x

5 + 8x - 20 - 5x

5 + 3x - 20

3x - 15

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Rzqust [24]
The square root of 95 is 5 of5

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3 years ago
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<img src="https://tex.z-dn.net/?f=2y%20%3D%20xm%20%2B%20%28%20%5Csqrt%7Bw%20%2B%202gm%7D%20%29%20%5Cdiv%20%7Bw%7D%5E%7B2%7D%20"
KiRa [710]

Answer:

m = -(2g - 4xy)/2x²w⁴ + √((2g - 4xy)² - 4*(x²w⁴)*(4y²w⁴ - w))/2x²w⁴

Step-by-step explanation:

2y= xm + √(w + 2gm) ÷ w^2

multiply all through by w²

2yw² = xm(w²) + √(w + 2gm)

rearranging

√(w + 2gm) = 2yw² - xmw²

square both sides

w + 2gm = (2yw² - xmw²)²

w + 2gm = (2yw² - xmw²)*(2yw² - xmw²)

w + 2gm = 4y²w⁴ - 2yxmw⁴ - 2yxmw⁴ + x²m²w⁴

collecting like terms

(x²w⁴)m² + (2g - 4yxw⁴)m + (4y²w⁴ - w). = 0

This seems to have been transformed to a quadratic equation

so we solve the quadratic equation by formula taking m as the variable

For simplicity, put

x²w⁴ = a

2g - 4xy = b

4y²w⁴ - w = c

we have

am² + bm + c = 0

solving the quadratic by formula

(-b + √(b² - 4ac))/2a. (taking the positive part)

-b/2a +√(b² - 4ac)/2a = m

substituting back

x²w⁴ = a

2g - 4xy = b

4y²w⁴ - w = c

m = -(2g - 4xy)/2x²w⁴ + √((2g - 4xy)² - 4*(x²w⁴)*(4y²w⁴ - w))/2x²w⁴

6 0
4 years ago
....................
pashok25 [27]

12 to the third power=12 x 12 x 12 = 1728

Brainliest?

TYSM :D

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3 years ago
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½ x + 25, when x = 4
dexar [7]

Answer:

the answer is 27

Step-by-step explanation:

1/2+1/2 =1

1/2+1/2 =1

1+1=2

2+25=27

3 0
3 years ago
Solve the equation 2x + 10 = 30.
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Answer:

X=10

Step-by-step explanation:

1. Subtract 10 from both sides

2. Simplify

3. Divide both sides by the same factor

4. Simplify

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2 years ago
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