Answer:
-0.119
48.577
Step-by-step explanation:
9.5x (3 + 4x) /(2 + 17x) = 138.5
19x(3+4x)/(2+17x)=277
57x+96x²=277(2+17x)
96x²+57x=554+4709x
96x²- 4652x-554=0
solving the quadratic equation:
x =(2326-√5463460)/96=(1163-√ 1365865 )/48= -0.119
x =(2326+√5463460)/96=(1163+√ 1365865 )/48= 48.577