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Tcecarenko [31]
3 years ago
10

What is x^2-49? , please show work!

Mathematics
2 answers:
marshall27 [118]3 years ago
8 0
If you take the square root of x and 49 then you will get that x = 7
DochEvi [55]3 years ago
3 0
This is a "difference of squares" which is always factored as:

(a^2-b^2)=(a-b)(a+b) in this case:

(x-7)(x+7)  that is what it is factored...

If you meant to solve for when it is equal to zero then there are two solutions:

x=±7  (x=-7 and +7)
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Zielflug [23.3K]

Answer:

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Step-by-step explanation:

A parallelogram has these characteristics that can be useful for answering this question:

  • opposite sides are the same length
  • opposite sides are parallel
  • the diagonals bisect each other

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<h3>PQRS</h3>

Opposite sides are the same length: a parallelogram

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<h3>GHJI</h3>

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<h3>RSUT</h3>

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