How do you find the product #(y+4)(y-8)#?
This is a quadratic equation (because of the power of 2), so we will have to use the quadratic formula which is:
So basically, now we know the quadratic equation, we can say:
Possible Answers are:
because if one or the other equals to 0, then multiplying it with any number makes it 0.
The question only askes for the product which is:
Multiply everything in the right hand side bracket by everything in the left one.