Factor completely. 5x2 - 45 5(x + 3)(x - 3) 5(x2 - 45) 5(x - 9)(x + 9) (5x + 9)(x - 5)

Option A is correct

Step-by-step explanation:

Using identity rule:

To factor completely:

Take 5 common out we have;

Apply the identity rule

then;

Therefore, the complete factored of the given equation is:

the slope of the line is 60

one point on the line is (40,10)

step-by-step explanation:

in the equation outside the parenthesis the equation always tells you the slope. in this case it is 60.

in the parenthesis is also says 40 which is x because it is near the x and 10 is y because it is near y.