exam Maths Puzzle Numerical Ability

Please Help!!!

Solve...
1. -9(x-3)^2=-7
2. (x+4^2=3
3. 5(x-2)^2=3

Thanks In advance!!!

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exam Other Question

i want to solve this problems but i cant because i dont no thank for help please help me with the following

simplify

4^-2m*m*m^0(m^-3p)^-3 / (m^3p^-1)^3 * m*p*p^-4