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Goshia [24]
3 years ago
14

Four times the square of a non-zero number is equal to twelve times the number.

Mathematics
1 answer:
Whitepunk [10]3 years ago
4 0
4x^2 = 12x
4x^2 - 12x = 0
4x(x - 3) = 0

4x = 0
x = 0...not this one

x - 3 = 0
x = 3 <== ur number
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Simplify quantity x squared plus 6 x plus 8 end quantity over quantity x plus 2
Novosadov [1.4K]

Simplifying quantity x squared plus 6 x plus 8 end quantity over quantity x plus 2 we get x+4

Option d is correct.

Step-by-step explanation:

We need to simplify quantity x squared plus 6 x plus 8 end quantity over quantity x plus 2.

Writing in mathematical form:

\frac{x^2+6x+8}{x+2}

Solving:

Factorizing the numerator:

\frac{x^2+6x+8}{x+2}\\=\frac{x^2+4x+2x+8}{x+2}\\=\frac{x(x+4)+2(x+4)}{x+2}\\=\frac{(x+2)(x+4)}{x+2}\\Cancelling\,\,x+2\,\,forom\,\,numerator\,\,and\,\,denominator:\\=x+4

So simplifying quantity x squared plus 6 x plus 8 end quantity over quantity x plus 2 we get x+4

Option d is correct.

Keywords: Simplifying Expressions

Learn more about Simplifying Expressions at:

  • brainly.com/question/4786449
  • brainly.com/question/2166248
  • brainly.com/question/7014769

#learnwithBrainly

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