x^2-144=0
add 144 to both sides
x^2=144
take the square root of both sides
x=12
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6b = 144 Therefore, b = 144/6 Therefore, b = 24
12y+2=146 12y=146-2 12y=144 144/12 12x12=144 y=12
144X = X2 144X - X2 = 0 (144 - X)X = 0 X = 0 or X = 144
n/9 = 16 Multiply both sides by 9:- n = 144
-19 plus 144 equals 125.