3 years ago

Someone please help me this is the last question on my homework. I have to write a quadratic equation for this word problem...

1 answer:

5 0

Answer:

57xsqaure-42x=5.5

Step-by-step explanation:

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Step-by-step explanation:

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Mars2501 [29]

Answer:

Hi there!

The correct answer is: $2x^{2} + y^{2} + z^{2} - 2\sqrt{2} xy - 2\sqrt{2} xz + 2yz$

Step-by-step explanation:

First of all I want to clarify I used to the fourth identity to solve this problem.

The fourth identity is: $(x+y+z)^{2} = x^{2} + y^{2} + z^{2} + 2xy + 2xz + 2yz$

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2 years ago