What are the x-coordinates of the solutions to this system of equations?

x2 + y2 = 25
y = 2x − 5

Question

What are the x-coordinates of the solutions to this system of equations?

x2 + y2 = 25
y = 2x − 5

HuskyNation · Answer

x² + y² = 25
y = 2 x - 5
<hr class="bbcode_rule" />
x² + ( 2 x - 5 )² = 25
x² + 4 x² - 20 x + 25 = 25
5 x² - 20 x = 25 - 25
5 x ( x - 4 ) = 0
x 1 = 0  and x 2 = 4
Answer:  4 and 0

HuskyNation · Answer

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HuskyNation · Answer

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HuskyNation · Answer

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HuskyNation · Answer

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steve816 · Answer

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