SOLUTION: Solve by factoring: y2 + 2y = 8 please PLEASE help me and please show your work. thank you so much ~April

Question 711751:
Solve by factoring:
y2 + 2y = 8
please PLEASE help me and please show your work.
thank you so much
~April
Answer by tutor_paul(519) (Show Source): You can put this solution on YOUR website!

First step is to equate to zero. Do this by adding -8 to both sides of the equation:

Simplify:

Now you can factor this. You have to think to yourself "What factors of -8, when combined, add up to 2?" Well, -2 and 4 come to mind. Use these as the factors:

Now you equate each term to zero and solve for y:

===================
Good Luck,
tutor_paul@yahoo.com
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