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serg [7]
3 years ago
6

Find an upper limit for the zeros of 2 x4 - 7 x3 + 4 x2 + 7 x - 6 = 0

Mathematics
1 answer:
kari74 [83]3 years ago
7 0
Let's solve your equation step-by-step.<span><span><span><span><span><span>2<span>x4</span></span>−<span>7<span>x3</span></span></span>+<span>4<span>x2</span></span></span>+<span>7x</span></span>−6</span>=0</span>Step 1: Factor left side of equation.<span><span><span><span><span>(<span>x+1</span>)</span><span>(<span>x−1</span>)</span></span><span>(<span>x−2</span>)</span></span><span>(<span><span>2x</span>−3</span>)</span></span>=0</span>Step 2: Set factors equal to 0.<span><span><span><span><span>x+1</span>=<span><span><span>0 or </span>x</span>−1</span></span>=<span><span><span>0 or </span>x</span>−2</span></span>=<span><span><span>0 or </span><span>2x</span></span>−3</span></span>=0</span><span><span><span><span>x=<span>−<span><span>1 or </span>x</span></span></span>=<span><span>1 or </span>x</span></span>=<span><span>2 or </span>x</span></span>=<span>32</span></span>Answer:<span><span><span><span>x=<span>−<span><span>1 or </span>x</span></span></span>=<span><span>1 or </span>x</span></span>=<span><span>2 or </span>x</span></span>=<span>3<span>2</span></span></span>
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3 years ago
Using the rules of multiplying and dividing integers, identify when an answer will be negative. (Select all that apply) Question
enot [183]

Answer:

Negative × positive = negative

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Step-by-step explanation:

1. Negative × positive = negative

- × + = -

2. positive ÷ negative = negative

+ ÷ - = -

3. positive ÷ positive = positive

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4. negative x negative = positive

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5. negative ÷ positive = negative

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6. positive x positive = positive

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positive ÷ negative = negative

negative ÷ positive = negative

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Note: when the signs are different, they will give negative

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8 0
3 years ago
5+7x to the power of 2+4x
agasfer [191]

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Step-by-step explanation:

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6 0
2 years ago
Mary, Rafael, and Goran sent a total of 119 text messages over their cell phones during the weekend. Goran sent 3 times as many
ryzh [129]
M + R + G = 119
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M = R + 6 —> R = M - 6

1st equation: M + (M-6) + (3M) = 119
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3 years ago
What is the greatest common factor of 48 and 80?
anyanavicka [17]

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16

Step-by-step explanation:

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3 years ago
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