Question

find the roots of following eqn by completing the
square method
1. 2x² +x-4 = 0
2. 2x square +x+4 = 0
3. 2x²-5x + 3=0
4. x²-3x+1=0.​

Answer 1

Answer:

Step 1 Divide all terms by a (the coefficient of x2).

Step 2 Move the number term (c/a) to the right side of the equation.

Step 3 Complete the square on the left side of the equation and balance this by adding the same value to the right side of the equation.

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