exam Maths Puzzle Numerical Ability

x(x+8)=000

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exam Other Question
A rectangular field is 300 feet wide and 400 feet long. Random sampling indicates that on the averagre, three ants can be fond per square inch throughout the field. Find the number of ants in the field? Add and simplify:

1/x-2 - 4/x^2 + 3/x+2

Multiply and simplify:

x^2-6x+8/3x+9 multiplied by x+3/x^2-4

Divide and simplify:

y2+7y +10/2y-4 divided by y^2-3y-10/y-2