3 years ago

Solve 4x(squared)+8x=0 X= X=

Mathematics

1 answer:

dangina [55]3 years ago

6 0

Answer:

X=0 and X=-2

Step-by-step explanation:

Move all terms to one side and set equal to 0. Then set each factor to 0 and solve.

X=0,-2

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The women'schorus has 33members. How many quartetscan be formed? How many singers will be left over?

andreyandreev [35.5K]

Answer: 8 quartets can be formed.

1 singer will be left over.

Step-by-step explanation:

A quartet is a group of 4 members.

Given: The women'schorus has 33 members.

The number of quartets can be formed = (Total members) divided by (4)

= 33 ÷ 4

By solving 33 ÷ 4 we get 8 as quotient and remainder as 1 such that

33 = 4 x 8 +1

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Luba_88 [7]

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Serjik [45]

Given equation:

$(3x-4i)(7x-8)(3x+4i)=0$

i.e., $3x-4i=0$ and $7x-8=0$ and $3x+4i=0$

i.e., $3x=4i$ and $7x=8$ and $3x=-4i$

i.e., $x=\frac{4i}{3}$ and $x=\frac{8}{7}$ and $x=-\frac{4i}{3}$

Therefore, the given equation has a real root i.e., $x=\frac{8}{7}$

and two complex conjugate roots i.e., $x=\frac{4i}{3}$ and $x=-\frac{4i}{3}$

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i suppose the answer is D since it is the closest to ^.

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