(2x+1)(2x+3)(x+3)(x+4)=300
problem is that i could not conclude this problem

Expand the left hand side and re-arrange the equation into the form

quartic = 0.

The quartic factorises as .

The details are left for you to do. Please show your full working and where you get stuck if you need more help.

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i re-arranged the lhs like (2x+1)(x+4) (2x+3)(x+3)
and in process i get common terms that i assume as a that will become as (a+2)( a+3)

This makes no sense. Go back and read what I suggested that you do.

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The greater danger for most of us lies not in setting our aim too high and falling short; but in setting our aim too low and achieving our mark. (Michelangelo Buonarroti)

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