Question

when 7 is subtracted from two third of the square of a number ir become 17 . find the number​

Answer 1

Answer is ±6 .

Hope it'll helpfull to you .

Answer 2

Answer:

6 or -6

[ appropriate answer for this question can be any one as we are taking square of number it will nit matter if it is positive or negative ]

Explanation:

Let unknown number be x

$\frac{2}{3} {x}^{2} - 7 = 17 \\ \frac{2 {x}^{2} }{3} = 24 \\ 2 {x}^{2} = 72 \\ {x}^{2} = 36 \\ x = \sqrt{36 } \\ x = 6 \\ x = - 6$