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Alex73 [517]
3 years ago
11

Which is the simplest form of this algebraic expression? -(6x + 2y) + 4(2x - y)

Mathematics
2 answers:
harina [27]3 years ago
8 0

Answer:

2x-6

Step-by-step explanation:

The first step is to distribute

The second step is to combine like terms and since its an expression you will not have a solution

Marrrta [24]3 years ago
3 0
The simplest form of -(6x+2y)+4(2x-y) = -2(-x+3y).
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when A = 42 and W = 16.8
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42/16.8 = W
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Which two values of x are the roots of the polynomial below? <br> x^2+5x+11
In-s [12.5K]

Answer:

x = -5/2 + i√19 and x = -5/2 - i√19

Step-by-step explanation:

Next time, please share the possible answer choices.

Here we can actually find the roots, using the quadratic formula or some other approach.

a = 1, b = 5 and c = 11.  Then the discriminant is b^2-4ac, or 5^2-4(1)(11).  Since the discriminant is negative, the roots are complex.  The discriminant value is 25-44, or -19.

Thus, the roots of the given poly are:

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x = -----------------------------------

                     2(1)

or x = -5/2 + i√19 and x = -5/2 - i√19

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If z varies directly as x and z=30 when x=8 find z when x=4
dangina [55]
Z=kx, 30=8k, so k=30/8=15/4 and z=15x/4, so when x=4, z=15.
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Question 3 of 8
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Answer:

A. and C.

Step-by-step explanation:

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