Expand <span><span><span>(<span>x<span>−3</span></span>)</span><span>(<span>x<span>−6</span></span>)</span></span><span><span>x<span>-3</span></span><span>x<span>-6</span></span></span></span> using the FOIL Method.Tap for less steps...Apply the distributive property.<span><span><span>x<span>(<span>x<span>−6</span></span>)</span></span><span><span>−3</span><span>(<span>x<span>−6</span></span>)</span></span></span><span><span>x<span>x<span>-6</span></span></span><span><span>-3</span><span>x<span>-6</span></span></span></span></span>Apply the distributive property.<span><span><span><span>xx</span>+<span>x⋅<span>−6</span></span></span><span><span>−3</span><span>(<span>x<span>−6</span></span>)</span></span></span><span><span><span>xx</span>+<span>x⋅<span>-6</span></span></span><span><span>-3</span><span>x<span>-6</span></span></span></span></span>Apply the distributive property.<span><span><span><span>xx</span>+<span>x⋅<span>−6</span></span></span>+<span>(<span><span><span>−3</span>x</span><span><span>−3</span>⋅<span>−6</span></span></span>)</span></span><span><span><span>xx</span>+<span>x⋅<span>-6</span></span></span>+<span><span><span>-3</span>x</span><span><span>-3</span>⋅<span>-6</span></span></span></span></span>Remove parentheses.<span><span><span><span><span>xx</span>+<span>x⋅<span>−6</span></span></span><span><span>−3</span>x</span></span><span><span>−3</span>⋅<span>−6</span></span></span><span><span><span><span>xx</span>+<span>x⋅<span>-6</span></span></span><span><span>-3</span>x</span></span><span><span>-3</span>⋅<span>-6</span></span></span></span>Simplify and combine like terms.Tap for less steps...Simplify each term.Tap for more steps...<span><span><span><span><span>x2</span><span><span>−6</span>x</span></span><span><span>−3</span>x</span></span>+18</span><span><span><span><span>x2</span><span><span>-6</span>x</span></span><span><span>-3</span>x</span></span>+18</span></span>Subtract <span><span>3x</span><span>3x</span></span> from <span><span><span>−6</span>x</span><span><span>-6</span>x</span></span> to get <span><span><span>−9</span>x</span><span><span>-9</span>x</span></span>.<span><span><span>x2</span><span><span>−9</span>x</span></span>+<span>18</span></span>
Option D is correct. All US households are among the population of interest.
Step-by-step explanation:
The Census bureau is a national body in the U.S. and they do the survey of 250000 different households monthly. The surveys go out to all corners of the U.S. depending on which part of the nation is doing the survey next.
It shows that the entire U.S. population is of interest to the census bureau.
