SOLUTION: How do you factor this "completely?" the equation is: B squared+7B-30

Question 345363: How do you factor this "completely?" the equation is: B squared+7B-30
Found 2 solutions by mananth, ewatrrr:
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
Hi,
To factor:
.
Ask Yourself: What two numbers have the sum of 7 AND -30 is the result of multiplying these numbers?
.
Note: 10*-3 = -30
10 + (-3) = 7
.
Factored completely:

.
Check your answer by multiplying (B+10)(B-3)

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