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defon
2 years ago
13

Pls help me it’s due tomorrow!!

Mathematics
2 answers:
Zarrin [17]2 years ago
8 0
-2(-3)^2-(-3)+1 = -14
Marianna [84]2 years ago
5 0
You would plug in -3 where the “x”s are
-2(-3)^2-(-3)+1
and the double negatives of -(-3) will turn into a +3
and the answer should be -14
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1112

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3 years ago
2x + y = -2
cupoosta [38]
Answer is A
if x+y=5
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5 0
3 years ago
Read 2 more answers
Anyone know the answer?? ​
Serggg [28]

Answer:

the second option

Step-by-step explanation:

in ax²+bx+c = 0:

x = \frac{-b+-\sqrt{b^2-4ac} }{2a}

subtract both sides by 6 to get to this form, as the right side will be left with 0

6x² + 8x - 6 = 0

here, the coefficient for x² (a) is 6, the coefficient for x (b) is 8, and the remaining number added on (c) is -6

plugging our numbers into the formula, we get

x = \frac{-8+-\sqrt{(-8)^2-4(6)(-6)} }{2(6)}\\= \frac{-8+-\sqrt{64-(-144)} }{12} \\= \frac{-8+-\sqrt{208} }{12} \\ = \frac{-8+\sqrt{208} }{12} or \frac{-8-\sqrt{208} }{12}\\= 0.53518375848 or -1.86851709182\\= approximately -1.87, 0.54

8 0
2 years ago
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