exam Maths Puzzle Numerical Ability

solve by using the quadratic formula

x^2+x-2=0

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exam Other Question

how can we find the inequality and absolute value for the following equation?
x^2+8x+12=0 How would you simplify this in exponential form, using only positive exponents,assuming all variables represent nonzero numbers?

x^9*x^-4/x^-2*x^-7