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4 votes
Solve the equation

Also look for extraneous solutions
Please show your work and explain the steps

Solve the equation Also look for extraneous solutions Please show your work and explain-example-1

2 Answers

3 votes
-3 = -x + √(-2x + 6)
Squaring both sides,
9 = -x² - 2x + 6
x² + 2x + 3 = 0
x² -x + 3x + 3 = 0
-x(x + 1) 3(x + 1)
(3 - x) (x + 1) = 0
x = 3 or -1

Hope this helps!
User Shhdharmen
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7.9k points
2 votes
−3=−x+−2(x−3)−3=−x+2(x−3)​​ı−3+x=ı2(x−3)​​
(x−3)​2​​=−2(x−3)6x​2​​−6x+9=−2x+6x​2​​−6x+9+2x−6=0x​2​​−4x+9−6=0x​2​​−4x+3=0(x−3)(x−1)=0x=3,1x=3

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User Tony Bao
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