Question

(6 - x)^2 + (5 / 12)^2
= 36 + x^2 - 12x + 25 / 4
Please can someone explain me that -12x in the solution, how it's came ????? ........
PLEASE ANSWER IT FAST.. ​

Answer 1

(a-b) ^2= a^2+b^2-2ab

(6-x) ^2= 6^2+ x^2- 2(6) (x)

= 36+ x^2- 12x

hope this helps u..