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Likurg_2 [28]
3 years ago
5

Plz help! Will mark brainliest! Please subtract and simplify

Mathematics
2 answers:
FinnZ [79.3K]3 years ago
6 0
<span><span><span><span><span>a2</span>−<span>2a</span></span>−3</span><span><span><span>a divided by 2</span>−<span>9a</span></span>+18</span></span>−<span>(<span><span><span><span>a2</span>−<span>5a</span></span>−6</span><span><span><span>a2</span>+<span>9a</span></span>+8</span></span>)</span></span><span>=<span><span><span><span><span>21<span>a3</span></span>−<span>70<span>a2</span></span></span>−<span>7a</span></span>+84 divide by </span><span><span><span><span>a4</span>−<span>55<span>a2</span></span></span>+<span>90a</span></span>+144</span></span></span><span>=<span><span><span><span>7<span>(<span>a+1</span>)</span></span><span>(<span>a−3</span>)</span></span><span>(<span><span>3a</span>−4</span>) divide by </span></span><span><span><span><span>(<span>a+1</span>)</span><span>(<span>a−3</span>)</span></span><span>(<span>a−6</span>)</span></span><span>(<span>a+8</span>)</span></span></span></span><span>answer =<span><span><span>21a</span>−28 divided by </span><span><span><span>a2</span>+<span>2a</span></span>−<span>48</span></span></span></span>
Sloan [31]3 years ago
4 0
I think it's -11a + 17
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▹ Answer

<em>d. 7/20</em>

▹ Step-by-Step Explanation

\frac{1}{4} + \frac{1}{10} \\= Common denominator is 20\\\\\frac{1}{4} = \frac{5}{20} \\\\\frac{1}{10} = \frac{2}{20}  \\\\\frac{5}{20} + \frac{2}{20} \\\\= \frac{7}{20}

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