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aleksandr82 [10.1K]
3 years ago
9

-2 (4x - 5) + 3x - 1

Mathematics
1 answer:
AleksandrR [38]3 years ago
3 0

Answer:

− 5 + 9

Step-by-step explanation:

Please let me know if you got the answer correct cuz I'm not quite sure if I got it correct myself

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What is the GCF for each set of numbers 9 and 27
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The greatest common factor 9 and 27 is 9.

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-X² + 5x - 6 = 2<br> Using the quadratic formula
Ivenika [448]

-x^2+5x-6=2\\-x^2+5x-6-2=0\\-x^2+5x-8=0\\

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x = [-b ± (√b²-4ac)]/2a ↝ Quadratic Formula

x=\frac{-(-5)+-\sqrt{(-5)^2-4(1)(8)}}{2(1)}\\x=\frac{5+-\sqrt{25-32}}{2}\\

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↝ Solution with Real Numbers  System ↝  There are no real solutions.

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x=\frac{5+-\sqrt{25-32}}{2}\\x=\frac{5+-\sqrt{-7}}{2}\\x=\frac{5+-\sqrt{7}i }{2}

Therefore, the answer for Complex Number System is (5±√7i)/2

3 0
2 years ago
Ashley is making $500 a week at her job. She receives a 20% pay raise.
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= 288 - 64 = 224
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