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OpenStudy (anonymous):
Given the following perfect square trinomial, fill in the missing term. (Do not type the variable in the blank.) 4x2 + ___x + 49
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OpenStudy (triciaal):
(a + b )^2 = a^2 + 2ab + b^2 equate this with 4x2 + ___x + 49 a^2 = 4x^2 and b^2 = 49 solve for a and b now write 2ab in the blank
OpenStudy (anonymous):
2ab
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