Let's simplify step-by-step.
<span><span>9−x</span>−<span>(<span>7+x</span>)
</span></span>Distribute the Negative Sign:
<span>=<span><span>9−x</span>+<span><span>−1</span><span>(<span>7+x</span>)
</span></span></span></span><span>=<span><span><span><span>9+</span>−x</span>+<span><span>(<span>−1</span>)</span><span>(7)</span></span></span>+<span><span>−1</span>x
</span></span></span><span>=<span><span><span><span><span><span>9+</span>−x</span>+</span>−7</span>+</span>−x
</span></span>Combine Like Terms:
<span>=<span><span><span>9+<span>−x</span></span>+<span>−7</span></span>+<span>−x
</span></span></span><span>=<span><span>(<span><span>−x</span>+<span>−x</span></span>)</span>+<span>(<span>9+<span>−7</span></span>)
</span></span></span><span>=<span><span>−<span>2x</span></span>+2
</span></span>Answer:
<span>=<span><span>−<span>2x</span></span>+<span>2</span></span></span>
Answer:
14 rt2 * rt3= 28 rt3
Step-by-step explanation:
Answer:
Since radical 45 is equal to radical 9 times radical 5, and because radical 9 is equal to 3 (since 9 is a perfect square), we can simplify radical 45 to 3 times radical 5
1) x^2 + 2x * 9 + 9^2
2) x^2 + 2x + 81
3) x^2 + 18 +81
