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HI

Sagemath 9.1 notebook ,OS :Ubuntu 18.04

what should i add or precise, so that SageMath solve this equation ?:

assume(x,'real')
solve (sqrt(-x^2 + 1)==-4/3*x - 25/36,x)

output :[x == -3/4*sqrt(-x^2 + 1) - 25/48] ?

on wolfram alpha