complete the square. 8v^2 4v−76=7v^2 1

Algebra
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8v^2 +4v−76=7v^2 +1

Oct 3rd, 2015

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8v^2 +4v−76=7v^2 +1

v^2 +4v−77= 0

(v^2 +4v +4 ) - 81= 0

(v+ 2) ^ 2 - 81= 0

(v+ 2) ^2 - (9)^2= 0

[(v+ 2)  + 9] x [ (v+ 2)  - 9]


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Sep 21st, 2015

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