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273

Centuries: 2nd century - 3rd century - 4th century

Decades: 220s 230s 240s 250s 260s - 270s - 280s 290s 310s 320s 330s

Years: 268 269 270 271 272 - 273 - 274 275 276 277 278


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Quadratic formula

... not depend on x) to the expression to the left of "=", that will make it a perfect square trinomial of the form x2 + 2xy + y2. Since "2xy" in this case is (b/a)x, we must ...

 
 
 
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