- Factorise 2x+3x+1?

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How can seafloor spreading be usedto determine the age of the oceanic crust? What two aspects of an atom's element structure does its location on the periodic table reveal? Phosphoric acid, H3PO4, a triprotic acid, so both H2PO4 − and HPO4 2− are also acids. Which of the solutions below would have the lowest pH? Does medicines like ibuprofen and Tylenol really cause side effects like nausea and or vomiting? If f(x,y)=x^(2)+y^(2)-2x and D is triangular region with vertices (2,0) (0,2) and (0,-2). Find absolute max and min of f on the region of D.?