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madam [21]
2 years ago
7

PLS HELP

Mathematics
2 answers:
rosijanka [135]2 years ago
5 0
  • y=7x²-2x-5
  • y=7x²-7x+5x-5
  • y=7x(x-1)+5(x-1)
  • y=(7x+5)(x-1)

Option B

Igoryamba2 years ago
4 0

Answer: y = (x - 1) (7x + 5)

Step-by-step explanation:

y = 7x² - 2x - 5     Use the slip and slide method.

y = x² - 2x - 35    Factor

y = (x - 7) (x + 5)  Slide 7 back in, divide -7 by 7 to get -1. Slip 7 into (x + 5).

y = (x - 1) (7x + 5)

   

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Answer:

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Step-by-step explanation:

<u><em>Given:</em></u>

<em>Clara is stacking cups; she put 45 plastic cups in the first stack, 38 plastic cups in the second stack, 31 plastic cups in the third stack, and 24 plastic cups in the fourth stack. </em>

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<em>Let's make a table:</em>

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<em>[2 stack] 38</em>

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<em />

<em>Now all we have to do is subtract to see what each is:</em>

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<em>Thus,</em>

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<em>[2 stack] 38 ⇒ 7 </em>

<em>[3 stack] 31 ⇒ 7 </em>

<em>[4 stack] 24 ⇒ 7 </em>

<em>Hence, each stack is going down by 7.</em>

<em />

<u><em>Kavinsky</em></u>

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