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

Factor each of the following polynomials completely.

-3s^2-10s+8
65. Solve the system of equations.
1.5x – 7y = 2
0.625x + 3y = –2.125