Solve for x. 6(x+2) = -2(4x-1) + 6x Simplify your answer as much as possible.

1 answer:

7 0

Use distributive property
6x + 12 = -8x + 2 + 6x
Now simply
6x + 12 = -2x + 2
8x + 12 = 2
8x = -10, x = -10/8. Simplify: x = -5/4
Solution: x = -5/4

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I need help now plz

Romashka-Z-Leto [24]

Answer:

Step-by-step explanation:

The picture is a bit blurry, but from what i can see, i'd say C (whichever one has -4 x 3 x 1 under the square root.)

So for this, you need to know the quadratic formula, which is:

$\frac{-b ± \sqrt{b^{2} -4ac} }{2a}$

*ignore the weird capital A, it keeps coming up when i try to use the ± symbol

They have given you the equation of a quadratic, so the first thing you have to do is rearrange it, so that $x^{2}$ comes first.

So now we have the equation: 3 $x^{2}$  - 2x +1

*the quadratic formula uses a, b and c, but they are specific. a is always the coefficient of $x^{2}$ , b is always the coefficient of x and c is always the constant (number without an x)

So, i can find that, in this case:

a = 3 b= -2 c=1

Now substitute each of those values it into the original quadratic equation:

$\frac{-(-2) ± \sqrt{(-2)^{2} -4(3)(1)} }{2(3)}$

*again, ignore the weird capital A.

That's how you find the answer, which from what i can tell in the picture is C.

Hope that helped : )

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7x + 5(x + 3) + 4x + x + 2 =

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