The area of a rectangular field is (3x2 - 9x - 12) square units. Find the dimensions of the field
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firstly take 3 common ...solving it by middle term spliting method we get x=4 and another is 0....i hope it is correct ...plz check it
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3xsquqre-9x-12
3x-12x+3x-12=0
3x9(x-4)+3(x-4)=0
3x+3=0 x-4=0
x=1,4
3x-12x+3x-12=0
3x9(x-4)+3(x-4)=0
3x+3=0 x-4=0
x=1,4
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