Radical Equations and Extraneous Roots Answers
3 verified answers
1
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Solve:To solve this equation, first both sides.
A
add 2 toB
multiply by 3 onC
squareD
cube1
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Study the steps shown to solve the given equation.30 – 2x = x2 – 6x + 9 0 = x2 – 4x – 21 0 = (x + 3)(x – 7)Based on the above work, possible solutions of the equation are .
A
–7 and –3B
–7 and 3C
–3 and 7D
3 and 72
x =
A
8.25B
0.75C
1.75D
2.25E
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