Simplify this algebraic expression. x^2 + 3x + 5x + x^2 + 7
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Answer:
2x^2 + 8x + 7
Step-by-step explanation:
x^2 + 3x + 5x + x^2 + 7
x^2 + x^2 + 3x + 5x + 7
2x^2 + 8x + 7
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