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I am Lyosha [343]
3 years ago
15

2x - 7 + x - 11 = 3x - 11 X = ?

Mathematics
1 answer:
Gekata [30.6K]3 years ago
3 0

Answer:                                  -7=0 --> Impossible

Step-by-step explanation:  

2x-7+x-11= 3x-11

2x+x-7-11=3x-11

3x-18=3x-11

3x-18+11=3x

3x-7-3x=0

-7=0

Impossible

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Question 2 Determine if (x-3) is a factor to the polynomial P(x) = 2x³ +5x²-28x - 15. (3 marks)​
tangare [24]

Answer:

(x - 3) is a factor of P(x)

Step-by-step explanation:

if (x - 3) is a factor of P(x) then P(3) = 0

P(3) = 2(3)³ + 5(3)² - 28(3) - 15

      = 2(27) + 5(9) - 84 - 15

      = 54 + 45 - 99

      = 99 - 99

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since P(3) = 0 then (x - 3) is a factor of P(x)

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2 years ago
Determine whether the equation below has a one solutions, no solutions, or an infinite number of solutions. Afterwards, determin
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Answer:

no solution

Step-by-step explanation:

X cannot equal itself minus 5, in the same way if we replace it by let's say, 6...

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3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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