Question

when neshanthan was asked his age he replied that 'if you subtract 11 times of my age from the square of my age you get 210.' find his age​

Answer 1

Answer:

x = -10, 21

Step-by-step explanation:

x2 - 11x = 210

x2 - 11x -210 = 0

x2 + 10x - 21x - 210

x(x+10) -21 (x+10)

(x+10) (x-21)

x = -10 or 21