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OpenStudy (anonymous):
Find the value of C that will make 4x^2+28x+c a perfect square trinomial?
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OpenStudy (anonymous):
(2x)^2 + 2 * 2x * 7 + 7^2
OpenStudy (anonymous):
So what do u think is the value of c
OpenStudy (anonymous):
2??
OpenStudy (anonymous):
its 7^2
OpenStudy (anonymous):
And what is the value 0f 7^2
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OpenStudy (anonymous):
so 7 squared ?
OpenStudy (anonymous):
49
OpenStudy (anonymous):
YEP
OpenStudy (anonymous):
it said that 7^2 is not correct
OpenStudy (anonymous):
49 is the correct answer
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OpenStudy (anonymous):
can i ask another one to you?
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