Q7 of 87 Page 53

Solve the following quadratic equation.

x2 – 4x – 3 = 0

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7

Solve the following quadratic equation.

m2 + 5m + 5 = 0

 7

Solve the following quadratic equation.

5m2 + 2m + 1 = 0

 8

Find m if (m-12)x2 + 2 (m - 12)x + 2 = 0 has real and equal roots.

 9

The sum of two roots of a quadratic equation is 5 and sum of their cubes is 35, find the equation.