3 years ago

2(3x + 1) = x + 22 X=

Mathematics

1 answer:

Roman55 [17]3 years ago

5 0

Answer:

x=4

Step-by-step explanation:

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Answer: x = -10/7

1. Simplify 2 • 2 to 4
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2. Simplify 4 + 7x + 6 to 7x + 10.
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3. Subtract 10 from both sides.
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The zeros of the polynomial are 2 and (3+i). Root 2 has multiplicity of 2 and (3+i) has multiplicity of 1

The general form of the equation will be,

$\Rightarrow y=(x-(2))^2(x-(3+i))(x-(3-i))$ ( ∵ (3-i) is the conjugate of (3+i) )

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$\Rightarrow y=(x^2-4x+4)((x-3)^2-i^2)$

$\Rightarrow y=(x^2-4x+4)((x^2-6x+9)+1)$

$\Rightarrow y=(x^2-4x+4)(x^2-6x+10)$

$\Rightarrow y=x^2x^2-6x^2x+10x^2-4x^2x+4\cdot \:6xx-4\cdot \:10x+4x^2-4\cdot \:6x+4\cdot \:10$

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