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Vesna [10]
3 years ago
15

Solve 2x(x + 4) = x - 3

Mathematics
2 answers:
Vsevolod [243]3 years ago
7 0

Answer:

-1/2

Step-by-step explanation:

Don't forget to rate if this helped

hodyreva [135]3 years ago
5 0
2x ² + 8x = x - 3
2x ² + 8x - x + 3 = 0
2x ² + 7x + 3 = 0
2x ² + 6x + x + 3 = 0
2x(x+3) + (x+3) = 0
(x+3)(2x+1) = 0
x= -3 ; -1/2
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Alika [10]

Answer:

the train's average rate of speed would be 57.8 mph

Step-by-step explanation:

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6 0
2 years ago
What is the value of b in the equation below?
grin007 [14]

Answer:

I think it is -10

Step-by-step explanation:

Using a^m*a^n=a^(m+n)

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In this question,

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6 0
3 years ago
1) Si se extrae una carta de un paquete de 52 cartas de las cuales 26 son negras (13 espadas A, 2, 3, … , 10, J, Q, K); 13 son t
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5 0
3 years ago
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Yakvenalex [24]

Answer:

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