SOLUTION: what is the solution to the four term factor polynomial by grouping 7y-63+xy-9x?

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Question 208751This question is from textbook Algebra- A Combined Approach
: what is the solution to the four term factor polynomial by grouping 7y-63+xy-9x? This question is from textbook Algebra- A Combined Approach

Found 2 solutions by stanbon, RAY100:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
solution to the four term factor polynomial by grouping 7y-63+xy-9x
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7(y-9) + x(y-9)
(y-9)(7+x)
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Cheers,
Stan H.

Answer by RAY100(1637) About Me  (Show Source):
You can put this solution on YOUR website!
7y -63,,,,,,+xy-9x
.
7(y-9),,,,,+x(y-9)
.
(7+x)*( y-9),,,,,answer
.
.
often hard to visualize the last step,,,,starting at ab+cb = b(a+b),,,
let a=7,,,b= (y-9),,,c=x,,,,,,,7(y-9) + x(y-9) = (y-9)(7+x)
.