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maksim [4K]
3 years ago
14

Which of the following are solutions?

Mathematics
1 answer:
rosijanka [135]3 years ago
4 0
4x²-12x+9=5
4x²-12x+4=0

x= 12±√(144-4*4*4) / 2*4

x= 12 ± √(144-64) / 8

x=12±√80. /. 8

x= 12+4√5. /8

x=3±√5 / 2. C and E
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What number is x if the equation is 2x-7=3
Elanso [62]

Hello there!

2x - 7 = 3

Solve for x

2x = 3 + 7

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x = 10/2

x = 5

Therefore, the number of x in the equation is 5

Let me know if you have additional question!

8 0
3 years ago
Simplify the expression 3^-8× 34.
Alborosie

Answer:

= \frac{34}{6561}

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago
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mel-nik [20]

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Answer: 3x(3x + 2) Step-by-step explanation:

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