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expeople1 [14]
2 years ago
9

(x 2 + 2x - 1)(x 2 + 2x + 5) find product

Mathematics
1 answer:
tankabanditka [31]2 years ago
7 0

Answer:

x^4+4x^3+8x^2+8x-5

Step-by-step explanation:

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Solve for x. −5(x−4)=−30
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Let's solve your equation step-by-step.<span><span>−<span>5<span>(<span>x−4</span>)</span></span></span>=<span>−<span>30

</span></span></span>Step 1: Simplify both sides of the equation.<span><span>−<span>5<span>(<span>x−4</span>)</span></span></span>=<span>−30</span></span>
<span>Simplify: (Show steps)</span><span><span><span>−<span>5x</span></span>+20</span>=<span>−<span>30

</span></span></span>Step 2: Subtract 20 from both sides.<span><span><span><span>−<span>5x</span></span>+20</span>−20</span>=<span><span>−30</span>−20</span></span><span><span>−<span>5x</span></span>=<span>−<span>50

</span></span></span>Step 3: Divide both sides by -5.<span><span><span>−<span>5x</span></span><span>−5</span></span>=<span><span>−50</span><span>−5</span></span></span><span>x=<span>10

</span></span>Answer:<span>x=<span>10</span></span>
8 0
2 years ago
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A paddleboard rental company charges $5 to borrow a lifejacket and $10 per hour. Write an equation in slope-intercept form that
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2 years ago
The price of an item has risen to $120 today. Yesterday it was $40. Find the percentage increase.
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Step-by-step explanation:

If $40 is 100% then multiply it by 3 to get $120

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In 4567 which number means ones?​
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7 means ones because it is the units

Step-by-step explanation:

4= thousand

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7=ones / unit

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