Question

144+ ( 17-x)^2=x^2+25:find the value of x​

Answer 1

Answer:

144+(17-x)²=x²+25

144+{17²-2×17×x+x²}=x²+25

144+289-34x+x²=x²+25

433-25=x²-x²+34x

408/34=x

x=12