book Maths Puzzle Numerical Ability

x(x+3)=(-4x-11)/4

I come up with
(x+3)=(-7x)/4
and that is the further I get from there.
marie

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book Other Question

The playing portion of a football field is 100 yards long and 50 yards wide. Each of the two end zones is 10 yards deep and 50 yards wide. What is the total area in acres? Provi Solve the following system of linear inequalities graphically - including a list of the coordinates for your points
3x - y < 6
x > 1
y < 3

If you are unable to