6 find limit x4 x2x12 x4Solutionind limit x4 x2x12 x4 x2x1

6. find limit
x->4 x^2-x-12
-----------
x-4

ind limit
x->4 x^2-x-12
-----------
x-4

x^2-x-12 = (x-4) (x+3)

ind limit
x->4 (x-4)(x+3) = x+3
-----------

x-4

4+3 = 7

6. find limit x->4 x^2-x-12 ----------- x-4Solutionind limit x->4 x^2-x-12 ----------- x-4 x^2-x-12 = (x-4) (x+3) ind limit x->4 (x-4)(x+3) = x+3 -----

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