## Introductory Algebra for College Students (7th Edition)

0.05x$^3$+0.02x$^2$+1.02x
Distribute the negative to the parentheses and then combine like terms vertically. $\quad0.07x^3-0.01x^2+0.02x$ $\underline{-(0.02x^3-0.03x^2-\quad x)}$ $\qquad\qquad\quad\downarrow$ $\quad0.07x^3-0.01x^2+0.02x$ $\underline{-\;0.02x^3+0.03x^2+\quad x}$ $\quad0.05x^3+0.02x^2+1.02x$