exam
Maths Puzzle
Numerical Ability
triangle ABC is an isosceles triangle with vertex angle B, AB = 5x - 28, AC = x + 5, and BC = 2x + 11. Find the length of the base.
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exam Other Question
(x3+729)/(x+9)
Can someone please help me to simplify this without negative exponents?
(xy^5 / x^-4y^2)^-2