put in the given function, Let x4 f-4)11()4)^-33(4) +575(-4)-52 f(-4) 2816+64 - 528 - 2300-52 = 0 x-4 is a root of the given function The given function can be written as 1 1x (x4)45x(x+ 4)+147x(x+4)-13(x+4) (x+4)(11x-45x+147x-13)
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