Q.)  (x-10)(x-6)=-3

Deprecated: Function eregi_replace() is deprecated in /var/www/vhosts/extramarks.us/httpdocs/common/class/us_functions.php on line 232
Answer This   Report Abuse

Ans.1)  (x-10)(x-6)=-3

Apply the distributive property

(x-10)*(x) + (x-10)*(-6)=-3

(x²-10x)+(-6x+60)=-3

x²-10x-6x+60=-3

x²-16x+60=-3

x²-16x+63=0

x²-(9+7)x+63=0

x²-9x-7x+63=0

x(x-9)-7(x-9)=0

(x-9)(x-7)=0

(x-9)=0 or (x-7)=0

x=9 and x=7