Question

Solve using discriminant method

Answer 1

Step-by-step explanation:

→ x² + 5x + 5 = 0 .

D = b² - 4ac .

= 5² - 4 × 1 × 5 .

= 25 - 20 .

= 5 .

Hence, the equation has real roots.

Therefore, x = ( -b ± √D )/2a .

= ( - 5 + √5 )/2 ; ( -5 - √5 )/2 .

Hence, it is solved.

Answer 2

Answer is in the above attachment