1.

Solve : 21x = 196 - x^2​

Answer»

Step-by-step explanation:

x² + 21X - 196 = 0

x² + 28X - 7x - 196 = 0

x(x + 28) - 7(x + 28) = 0

(x + 28) (x - 7) = 0

x = -28 , 7



Discussion

No Comment Found

Related InterviewSolutions