Solve for xxx: 7x2−5=49x7^{x^{2}-5} = 49^{x}7x2−5=49x.
x=−1,5x = -1, 5x=−1,5
x=1,7x = 1, 7x=1,7
x=2,3x = 2, 3x=2,3
x=−5,1x = -5, 1x=−5,1