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OpenStudy (anonymous):
help please! show steps please idk how to do it: 4a^2+12ab+9b^2-25c^2 FACTOR
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OpenStudy (anonymous):
please help guys
OpenStudy (lgbasallote):
well the first three terms is a perfect trinomial 4a^2 + 12ab + 9b^2 = (2a+3b)^2 right? so... (2a + 3b)^2 - 25c^2 what do you notice?
OpenStudy (anonymous):
ohhh i see!! thanks
OpenStudy (lgbasallote):
yayyy! <tips hat>
OpenStudy (anonymous):
thanks again
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