Simplify the polynomial expression and then write in standard form.(3+ – InterviewSolution

1.	Simplify the polynomial expression and then write in standard form.(3+5x+7x2+9x3)+(4+2x−3x2−8x3)
Answer» Simplify the polynomial expression and then write in standard form. $(3 + 5 x + 7 x^{2} + 9 x^{3})$ $+ (4 + 2 x - 3 x^{2} - 8 x^{3})$

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