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Mathematics 12 Online
OpenStudy (anonymous):

help please! show steps please idk how to do it: 4a^2+12ab+9b^2-25c^2 FACTOR

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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