b.
Step-by-step explanation:
For this u have to use HCF
Common factors are 1,2,2 and 3
If u multiply u will be able to get the answer.
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the image is given below
since the options are not given so we draw it from the equation
the given equation is
y = (x-1) (x+4)
y = y² + 3x - 4
the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this