SOLUTION: TOPIC - FACTORING BY GROUPING Solve. 1. 9-4x�+4xy-y� 2. x�+2x+1-y� Answer it simply. Thanks. Will wait for your answer, and please answer it immediately.

Question 631009: TOPIC - FACTORING BY GROUPING
Solve.
1. 9-4x�+4xy-y�
2. x�+2x+1-y�
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. 9-4x�+4xy-y�
---
9 - (4x^2-4xy+y^2)
---
9 - (2x-y)^2
-----
= [3-(2x-y)]
---
= (3-2x+y)(3+2x-y)
=================================
2. x�+2x+1-y�
----
(x+1)^2 - y^2
---
= (x+1-y)(x+1+y)
=======================
Cheers,
Stan H.
=============

RELATED QUESTIONS
please help 2(4x y^2)^-1 (-2x^-1 y)^2 the answer is 2/x^3 I used a^-b=1/a^b for one (answered by josgarithmetic,MathTherapy)

factor by grouping 9-4x^2+4xy-y^2 show... (answered by josgarithmetic)

pls.help me solve the following quadratic equation by factoring: {{{2x^2-3x+1=0}}}... (answered by Edwin McCravy)

pls.help me solve the following quadratic equation by factoring: {{{2x^2-3x+1=0}}}... (answered by KnightOwlTutor,scott8148)

please help me to solve this problem in geometry state condition for parallelness or... (answered by Alan3354)

Factor by grouping: 3cd � 6cy + 2xd � 4xy which one of these is it? 1. (3c + 2x)(d + (answered by nerdybill)

Solve each system by substitution. check your answer. y=x-2... (answered by jim_thompson5910)

please help me simplify these expressions leaving the final answer with only positive... (answered by stanbon,Edwin McCravy)