SOLUTION: I’m really confusing with this factoring, Can anyone please help me with step by step? Thank you very much!
Simplify by factoring.
1.4*sqrt(405x^8y^10)=?
2.5*sqrt(64x^12y^15
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Question 212370: I’m really confusing with this factoring, Can anyone please help me with step by step? Thank you very much!
Simplify by factoring.
1.4*sqrt(405x^8y^10)=?
2.5*sqrt(64x^12y^15)=?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
I'll do the first one to get you going in the right direction.
# 1
Start with the given expression.
Break up the square root using the identity
Factor 405 into 81*5
Rewrite 81 as
Rewrite as
Rewrite as
Break up the first square root (using that same identity)
Take the square root of to get 9 (notice how the squares and the square roots 'undo' each other).
Take the square root of to get .
Take the square root of to get .
Rearrange the terms.
So where every variable is nonnegative.
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