<PRE><B>Question 1205824</B>
say exactly what help you need.


Factoring?  Look for numbers which give the lead and constant coefficients and check the combinations.


63=21*3=7*9, and 25=25*1=5*5.


(7 - 5)(9 + 5), -45 and +35------------------THIS ONE
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(7 + 5)(9 - 5), 45 and -35
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(7 - 25)(9 +1), 7 and -225
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(7 +25)(9 -1), -7 and +225


{{{highlight((7x-5)(9x+5))}}}



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