3 years ago

Simplify -(n + 2) + 3(n – 2)

1 answer:

hjlf3 years ago

4 0

Answer:

2n-4

Step-by-step explanation:

-n-2+3n-2 (here I distributed the negative to both parts)

2n-4 (gather the like terms)

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Whitepunk [10]

Answer:

$\frac{-1+/-3\sqrt{2} }{2}$ where a = 1, b = 1,and c=-4

Step-by-step explanation:

To solve, use the quadratic formula. Using the quadratic formula, requires the standard form $ax^2+bx+c$ Here a = 1, b = 1, and c = -4.

The quadratic formula is $x=\frac{-b+/-\sqrt{b^2-4ac} }{2a}$ .

Substitute and you'll have:

$x=\frac{-b+/-\sqrt{b^2-4ac} }{2a} =\frac{-1+/-\sqrt{1^2-4(1)(-4)} }{2(1)}=\frac{-1+/-\sqrt{1+17} }{2)}$

$\frac{-1+/-\sqrt{18} }{2}=\frac{-1+/-3\sqrt{2} }{2}$

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Sergio039 [100]

Answer:

X=5

Step-by-step explanation:

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Debora [2.8K]

your answer is x = 6

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