Write each polynomial in ascending powers of $\mathbf{x}$.
$1.26-3 x+5 x^{3}+1+x^{2}$

Answer

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Answer

2. Arrange the terms in ascending powers of x: $\boxed{2.26 - 3x + x^2 + 5x^3}$

Steps

Step 1 ：1. Combine like terms: $1.26 - 3x + 5x^3 + 1 + x^2 = 2.26 - 3x + x^2 + 5x^3$

Step 2 ：2. Arrange the terms in ascending powers of x: $\boxed{2.26 - 3x + x^2 + 5x^3}$