Simplify fully (2x-1)(2x+1)

1 answer:

7 0

4x^2 - 1 should be right

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Fittoniya [83]

2.5 because 1.5 x 2.5 = 3.75

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3 years ago

OleMash [197]

$a_1=5;\ a_2=-10;\ r=a_2:a_2\to r=-10:5=-2\\\\a_n=a_1r^{n-1}\\\\\boxed{a_n=5\cdot(-2)^{n-1}}$

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3 years ago

Andrei [34K]

Answer:

I need points

Step-by-step explanation:

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3 years ago

Verdich [7]

Answer:

Step-by-step explanation:

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3 years ago

Yuri [45]

3: -27
4: 81
5: -243
All you need to do is plug in the numbers into the exponent spot.

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3 years ago

Simplify fully (2x-1)(2x+1)​