Question

(y-5)²=(y+2)²-7 ans?

Answer 1

Hii friend,

(Y-5)² = (Y+2)² -7

(Y)² + (5)² - 2 × Y × 5 => (Y)² + (2)² + 2 × Y × 2 -7

Y²+25 -10Y = Y²+4 +4Y -7

4Y +10Y = 25+3

14Y => 28

Y = 28/14 => 2.



HOPE IT WILL HELP YOU..... :-)