SOLUTION: TOPIC - FACTORING BY GROUPING
Solve.
1. 9-4x²+4xy-y²
2. x²+2x+1-y²
Answer it simply. Thanks. Will wait for your answer, and please answer it immediately.
Algebra ->
Polynomials-and-rational-expressions
-> SOLUTION: TOPIC - FACTORING BY GROUPING
Solve.
1. 9-4x²+4xy-y²
2. x²+2x+1-y²
Answer it simply. Thanks. Will wait for your answer, and please answer it immediately.
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Question 631009: TOPIC - FACTORING BY GROUPING
Solve.
1. 9-4x²+4xy-y²
2. x²+2x+1-y²
Answer it simply. Thanks. Will wait for your answer, and please answer it immediately. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Solve.
1. 9-4x²+4xy-y²
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9 - (4x^2-4xy+y^2)
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9 - (2x-y)^2
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= [3-(2x-y)]
---
= (3-2x+y)(3+2x-y)
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2. x²+2x+1-y²
----
(x+1)^2 - y^2
---
= (x+1-y)(x+1+y)
=======================
Cheers,
Stan H.
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