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kherson [118]
3 years ago
6

Which value for x makes the open sentence true? 6 • 7 – 5x + x2 ≥ x3 + x2

Mathematics
1 answer:
svetlana [45]3 years ago
3 0
<span>6●7–5x+<span>x2</span>≥<span>x3</span>+<span>x2</span></span> Lets plug in 3: <span>6●7–5(3)+<span>32</span>≥<span>33</span>+<span>32</span></span> Multiply -5 * 3: <span>6●7–15+<span>32</span>≥<span>33</span>+<span>32</span></span> Simplify all exponents: <span>6●7–15+9≥27+9</span> Multiply 6 * 7: <span>42–15+9≥27+9</span> Subtract 42 - 15: <span>27+9≥27+9</span> Add 27 + 9: <span>36≥27+9</span> Add 27 + 9: <span>36≥36</span><span> So 3 is correct.</span>
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