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OpenStudy (anonymous):
Find 2 values of b that will make 64x^2+bx+49 a perfect square trinomial?
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OpenStudy (anonymous):
(8x)^2+2*8x*7+(7)^2 AND (8x)^2-2*8x *7+(7)^2
OpenStudy (anonymous):
Does it help?
OpenStudy (anonymous):
so 8 & 7?
OpenStudy (anonymous):
are the 2 values?
OpenStudy (anonymous):
NOPE its 2*8*7 and -2*8*7
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OpenStudy (anonymous):
do i multiply the two?
OpenStudy (anonymous):
What is 2*8*7
OpenStudy (anonymous):
112
OpenStudy (anonymous):
so is the answer -112, and 112
OpenStudy (anonymous):
YEP
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