Sagot :
letter A. 17 and -7
Step-by-step explanation:
(t-5)^2-144=0
t-5^2=144
square root of t-5^2= square root of 144
*cancel the square root of t-5^2=t-5
*square root of 144 =+-12
therefore:
t-5=+-12
substitute 5
t=+-12+5
12+5= 17
-12+5=-7
letter A. 17 and -7
Step-by-step explanation:
(t-5)^2-144=0
t-5^2=144
square root of t-5^2= square root of 144
*cancel the square root of t-5^2=t-5
*square root of 144 =+-12
therefore:
t-5=+-12
substitute 5
t=+-12+5
12+5= 17
-12+5=-7