exam Maths Puzzle Numerical Ability

Solve: (x-5)^2 = 7

Do I use the foil method on this? Thank you!

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exam Other Question

Given that a * b = 270 and GCD(a,b)=5, find LCM (a,b). can someone please help me?

1. Do exponential functions only model phenomena that grow, or can they also model phenomena that decay? Explain what is different in the form of th