exam Maths Puzzle Numerical Ability

Solve log(4) (m-3) + log(4) (m+3)=2.

thanks

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exam Other Question

I need help solving the following non-linear systems please!!
x^2+y^2=25
y=x^2-5

Thanks!
The interval described in set-builder notation by the inequality
|2x+4| < 10 has interval notation (a,b)
for a = ?

and b = ?