Answer:

Step-by-step explanation:
we know that
The general equation of a quadratic function in factored form is equal to

where
a is a coefficient of the leading term
x_1 and x_2 are the roots
we have

substitute

Applying the distributive property convert to expanded form




therefore

Answer:
-6
Step-by-step explanation:
x-intercept is y = 0, so the point is (-6, 0), answer is -6
Step-by-step explanation: