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3 years ago

.Factor 20x2 + 68x - 160

Mathematics

1 answer:

saveliy_v [14]3 years ago

3 0

Answer:

4(5x-8) (x+5)

Step-by-step explanation:

4(5x^2+17x-40)

4(5x-8) (x+5)

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A rectangular prism must have a base with an area of no more than 27 square meters. The width of the base must be 9 meters less

NISA [10]

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2 years ago

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hammer [34]

Answer:

Step-by-step explanation:

3(x+3) - 2 < 4
3x + 9 -2 < 4
3x < 4-7
3x < - 3
x < -1
x = (-oo, -1)

1 - x ≤ -1
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Correct choice is B.

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3 years ago

What is the value of the expression below?<br><br> −20÷5

Lera25 [3.4K]

The answer would be -4
Hope this helps

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3 years ago

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Think About the Process

mina [271]

Answer:

Step-by-step explanation:

i passed grade 6 lol

4 0

3 years ago

Read 2 more answers

Which is the completely factored form of 12x3 – 60x2 + 4x – 20?

Natalija [7]

Answer:

$4(x-5)(3{x}^{2}+1)$

Step-by-step explanation:

1) Find the Greatest Common Factor (GCF).

1 - What is the largest number that divides evenly into $12x^3,-60x^2,4x,$ and $-20$ ?

It is $4.$

2 - What is the highest degree of $x$ that divides evenly into $12x^3,-60x^2,4x,$ and $-20$ ?

It is 1, since $x$ is not in every term.

3 - Multiplying the results above,

The GCF is 4.

2) Factor out the GCF. (Write the GCF first. Then, in parentheses, divide each term by the GCF.)

$4(\frac{12{x}^{3}}{4}+\frac{-60{x}^{2}}{4}+\frac{4x}{4}-\frac{20}{4})$

3) Simplify each term in parentheses.

$4(3{x}^{3}-15{x}^{2}+x-5)$

4) Factor out common terms in the first two terms, then in the last two terms.

$4(3{x}^{2}(x-5)+(x-5))$

5) Factor out the common term $x-5$ .

$4(x-5)(3{x}^{2}+1)$

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2 years ago