exam Maths Puzzle Numerical Ability

this is a equationg exponests equation please help{{{(0.25)^(x+8)=(0.5)^((x^2)+1)}}}

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exam Other Question

a passenger train can travel 325 mi the same time a freight train takes to travel 200 mi. if the speed of the passenger train is 25 mi/h faster than the speed of the freight train Find the value of c so that the quadratic equation 2x^2+4x-c=0 has two equal real roots.