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3 years ago

What is the factored form of x2 – X– 2? (x - 2)(x + 1) (x + 2)(x + 1)

Mathematics

1 answer:

solmaris [256]3 years ago

4 0

Answer:

(x+2)(x-1)

Step-by-step explanation:

One way to factor is to FOIL your answer choices:

First: x(x)

Outer: x(-1)

Inside: 2(x)

Last: 2(-1)

Combine these values together and you get

x^2-x-2

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KiRa [710]

Answer:

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Quadrilateral ABCD is a parallelogram if both pairs of Opposite sides are congruent. show that quadrilateral ABCD is a parallelogram by finding the Lengths of the Opposite side part

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4 years ago

The measure of ∠CBD is 45% of the measure of ∠ABC. Find the value of x.

Flura [38]

<h2>Explanation:</h2><h2></h2>

Hello! Remember you have to write complete questions in order to get good and exact answers. Here we have no expressions for ∠CBD and ∠ABC, so I'll assume:

$\angle CBD=15x-24 \\ \\ \angle ABC=20x+40$

We know that the measure of ∠CBD is 45% of the measure of ∠ABC, then:

$\angle CBD = 45\%(\angle ABC) \\ \\ \\ Or: \\ \\ \angle CBD = 0.45(\angle ABC) \\ \\ \\ Substituting \ expressions: \\ \\ 15x-24=0.45(20x+40) \\ \\ \\ Solving \ for \ x: \\ \\ 15x-24=9x+18 \\ \\ 15x-9x=24+18 \\ \\ 6x=42 \\ \\ x=\frac{42}{6} \\ \\ \boxed{x=7}$

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3 years ago

Factor2(to the power of 2)+5x−3

77julia77 [94]

Answer:

If the equation is 2 $x^{2}$ +5x-3

then the factorized form would be (2x-1)(x+3)

Step-by-step explanation:

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2 years ago

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iragen [17]

Answer:

Step-by-step explanation:

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Solomon has $118 he wants to purchase concert tickets for himself and five friends each tickets cost $19 does he have enough mon

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