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Maths Puzzle
Numerical Ability
How do you factor:
{{{15(x-5y)^2-7(x-5y)-30}}} ..???
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book Other Question
simplify by factoring. 9y+6y^2+y^3
Solve the following for "x" by using the quadratic formula:
2x^2 + 8x + 3 = 0