exam Maths Puzzle Numerical Ability

directions: find the roots of each quadratic equation by factoring. my equation is x^2-9/4x-25. whats the answer?

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exam Other Question

Solve:
(4(^x^2-x))*(123^x)=8^3/(1/8) Note the 1/8 is the denominator of 8^3 only:) Can someone please help me???
In what type of quadrilateral are the diagonals NOT always congruent to each other?