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masya89 [10]
4 years ago
13

Solve 2x 2 + 8x - 12 = 0 by completing the square. What are the solutions?

Mathematics
1 answer:
oee [108]4 years ago
5 0
I attached a picture of how I worked out the answer

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Can someone please help me? i hope you can see this omg
Gemiola [76]

Step-by-step explanation:

length = (2x + 3) units

width = (x - 7) units

Area = 2( length × width)

Area = 2( (2x + 3) × (x - 7) )

Area = 2( 2x² - 14x + 3x - 21)

Area = 2 ( 2x² -11x - 21)

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Nana76 [90]

Answer:

A or 57 7/9ft3

Step-by-step explanation:

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What is the sum of the 14th square number and the 2nd cube number?
tamaranim1 [39]

Answer:

204

Step-by-step explanation:

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