Question 744474
What is the answer to (y+6)(y-7) ?


y * y = y^2

y* -7 = -7y

6 * y = 6y

6 * -7 = -42

We now have:

y^2 - 7y + 6y - 42

Combine like terms:

-7y + 6y = -y



Answer:

y^2 - y - 42







Lennox Obuong
Algebra Tutor
Nairobi, Kenya
Email: obuong3@aol.com