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3 years ago

Simplify 3(2x - 5). -6x- 15 6x- 15 6x- 8 5x- 2

Mathematics

2 answers:

Alex787 [66]3 years ago

4 0

- - Let's solve:

We need to evaluate.

$3(2x-5)$

$=3*2x+-5$

$=3*2x+3*-5$

$6x-15$ for your final answer.

kondor19780726 [428]3 years ago

4 0

Answer:

6x-15

Step-by-step explanation:

is your final answe

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Written as a simplified polynomial in standard form, what is

wolverine [178]

Answer:

$\left(x-10\right)-\left(2x-5\right)^2=-4x^2+21x-35$

Step-by-step explanation:

As we have to subtract $\left(2x\:-\:5\right)^2$ from $\left(x-10\right)$

$\left(x-10\right)-\left(2x\:-\:5\right)^2$

solving and simplifying the polynomial in standard form

$\left(x-10\right)-\left(2x-5\right)^2$

$\mathrm{Remove\:parentheses}:\quad \left(a\right)=a$

$=x-10-\left(2x-5\right)^2$

$=x-10-\left(4x^2-20x+25\right)$ ∵ $\left(2x\:-\:5\right)^2=\:4x^2-20x+25$

$=x-10-4x^2+20x-25$

$=-4x^2+21x-35$

We know that standard form means that the terms of the expression are ordered from biggest exponent to lowest exponent.

Thus, a simplified polynomial in standard form is:

$\left(x-10\right)-\left(2x-5\right)^2=-4x^2+21x-35$

3 0

3 years ago

PLEASE ANSWER ASAP!!!!

grin007 [14]

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Divide 72k in a ratio of 1:3:5

larisa [96]

1:3:5
firstly u need to find out how much one will get so u will add all the ratios 1:3:5 and divide by 72k(72000) so you will get 8000
therefore 1 will get 8000
3 will get 8000 multiply by 3 =24000
5 will get 8000 multiply by 5 = 40000
do you understand......if you need any more help ...feel free!!!!

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natita [175]

Answer:

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