book Maths Puzzle Numerical Ability

5x+4=-11

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book Other Question

Perform the indicated operations. Simplify the result.

(x^2 + x - 30) / (x^2 - 11x + 30/x^2 + 7x + 12) * (x-6/x+6) If you know the height and area of a trapezoid can you find the lengths of its bases?