exam Maths Puzzle Numerical Ability

Is the following statement true or false and why?

Three noncollinear points determine two lines.

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exam Other Question

I need help simplifing this problem.

(x + 3)(2x - 1) (-x - 3 )(2x + 1)
________________ ÷ ____________________

x(x + 4) x

and

x^(2) -
solve this equation x^2+144=0