Question

how to solve real real roots by completing perfect square​

Answer 1

Answer:

1. Step 1 Divide all terms by a (the coefficient of x2).
2. Step 2 Move the number term (c/a) to the right side of the equation.
3. 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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Answer 2

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.

If b2-4ac > 0, the roots are real and distinct. If b2-4ac = 0, the roots are real and equal. If b2-4ac < 0, the roots are not real (they are complex).