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3 years ago

Y=(x+3)(x-4)(x+1)^2 sulutions? Multiplicity?

Mathematics

1 answer:

Eddi Din [679]3 years ago

7 0

Answer:

Y = (x + 3)(x - 4)(x + 1)^2

Y = (x^2 - x - 12)(x^2 + 2x + 1)

Y = x^4 + 2x^3 + x^2 - x^3 - 2x^2 - x - 12x^2 - 24x - 12

Y = x^4 + x^3 - 13x^2 - 25x - 12

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The length of a rectangle is three times it's width. If the width is diminished by 1 m and length is increased by 3 m, the area

Stella [2.4K]

Answer: the length is 15 m and the width is 5 m

Step-by-step explanation:

Let L represent the original length of the rectangle.

Let W represent the original width of the rectangle.

The length of a rectangle is three times it's width. This means that

L = 3W

If the width is diminished by 1 m and length is increased by 3 m, the area of the rectangle that is formed is 72 m². This means that

(L + 3)(W - 1) = 72

LW - L + 3W - 3 - 72 = 72 + 3

LW - L + 3W = 75 - - - - -- - - - - - 1

Substituting L = 3W into equation 1, it becomes

3W × W - 3W + 3W = 75

3W² = 75

W² = 75/3 = 25

W = √25 = ±5

The width cannot be negative. Therefore, the width is 5 m

L = 3W = 3 × 5 = 15 m

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3 years ago

Two parallel lines are cut by a transversal as shown below.<br> Suppose

olga55 [171]

Answer: measurement of angle 3 is 148, and measurement of angle 2 is 32 Hope this helped

Step-by-step explanation:

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3 years ago

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3 years ago

Find the value of x given in the right triangle

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