Question

solve this
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Answer 1

it's all you have to do solve the whole sq,multiply,solve and take common remove the h from denominator and use limit

Answer 2

Step-by-step explanation:

lim of h=0

2(-3+h)²-18/h

2(h²-6h+9)-18/h

2h²-12h+18-18/h

2h²-12h/h

h(2h-12)/h

2h-12

now put the value of h=0

2*0-12

-12