SOLUTION: find the sum or diffrence (x2 + 2x + 1) + 4x2 + 5x + 3) i know that the end is +7x + 4 but i cant figure out the x2 + 4x2

Algebra ->  Algebra  -> Polynomials-and-rational-expressions -> SOLUTION: find the sum or diffrence (x2 + 2x + 1) + 4x2 + 5x + 3) i know that the end is +7x + 4 but i cant figure out the x2 + 4x2      Log On

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Question 311102: find the sum or diffrence
(x2 + 2x + 1) + 4x2 + 5x + 3)
i know that the end is +7x + 4 but i cant figure out the x2 + 4x2

Answer by Alan3354(30924) About Me  (Show Source):