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10. Quadratic Equations
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Q4 of 293 Page 455

Solve each of the following equations by using the method of completing the square:

Given:


(adding on both sides)


using a2 + 2ab + b2 = (a + b)2





Hence the equation has repeated roots


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2

Solve each of the following equations by using the method of completing the square:

x2 - 4x + 1 = 0

3

Solve each of the following equations by using the method of completing the square:

x2 + 8x - 2 = 0

5

Solve each of the following equations by using the method of completing the square:

2x2 + 5x - 3 = 0

6

Solve each of the following equations by using the method of completing the square:

3x2 - x - 2 = 0

Questions · 293
10. Quadratic Equations
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