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OpenStudy (anonymous):
Factor completely: 9x2 + 42x + 49 (3x + 7)(3x − 7) (9x − 7)(9x − 7) (3x + 7)(3x + 7) (9x + 7)(9x + 7) Help me please and thank you
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OpenStudy (skullpatrol):
Any ideas?
OpenStudy (skullpatrol):
@Felicia123
OpenStudy (skullpatrol):
Do you recall the FOIL method?
OpenStudy (anonymous):
yea but i think it this one (9x − 7)(9x − 7)
OpenStudy (skullpatrol):
Use FOIL and check your answer please :-)
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OpenStudy (anonymous):
its this 9x2 + 42x + 49 (3x + 7)(3x + 7)
OpenStudy (skullpatrol):
VERY GOOD !!! and you did it all on your OWN :D
OpenStudy (anonymous):
yes
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