Answer:
f(-2) = 3
Step-by-step explanation:
f(x) = x² + 3x +5
f(-2)=(-2)² + 3*(-2)+5
= 4 - 6 +5
= 3
Answer:
Correct
Step-by-step explanation:
Just divide both the numerator and the denominator by their common factors.
Answer:
x = 
Step-by-step explanation:
x^2 + 8^2 = 9
Simplify the 8^2
x^2 + 64 = 9
Subtract 64 from both sides
x^2 = -55
Take the square root from both sides
x = +/- 
Simplify
x = 
Hope this helps!
ANSWER

EXPLANATION
The given product is:

We expand using the distributive property to obtain:

Extract the perfect squares to get:

Expand further to get;

This simplifies to,
