book Maths Puzzle Numerical Ability

factor x2+4xy+4y2-16

factor 12(x+1)2-17(x+1)+6

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book Other Question

how long does it take a automobile traveling 71.4km/h to become even with a car traveling in another lane 61.4km/h if the cars front bumper s are initially 125m apart? answer in units of s Three buildings, together they look like a backwards "C", just real blocky.

What are the dimensions of the courtyard and what is the perimeter of the building?

There is a t