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2 years ago

What is the answer to 2(x-4)=-3(x+2)?

Mathematics

2 answers:

kompoz [17]2 years ago

8 0

First distribute:

2*x = 2x

2*-4 = -8

-3*x = -3x

-3*2 = -6

2x-8=-3x-6

Add 8 to both sides (or vise versa add 6 to both sides). You're adding because both the 8 and 6 are negative.

2x=-3x+2

Now add 3x on both sides (or vice versa subtract 2 on both sides).

5x = 2

Now divide. 5x/5 = 2/5

The 5s get canceled out leaving you with x = 2/5.

Delicious77 [7]2 years ago

5 0

X= 2/5

I hope this helps

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Is (x − 2) a factor of f(x) = x3 − 2x2 + 2x + 3? Explain your reasoning.

Drupady [299]

Answer:

❌

Step-by-step explanation:

If (x-a) is a factor of a polynomial then the polynomial must equal zero .

Here's what I mean :

x - 2 = 0

x = 2

(2)³-2(2)²+2(2) + 3 = 0 ❌

8 - 8 +4 +3 = 0 ❌

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Hope this helped and have a good day

6 0

1 year ago

What’s the answer for simplify

Pepsi [2]

Answer:

it can be simplified

Ans:6x squared +9x-5

Step-by-step explanation:

8x squared minus negative 2x squared is equal to positive six squared, +9x cannot be simplified because there are no other liked terms and -5 too.

5 0

3 years ago

Can you please help me answer this question what's a+3

Inessa [10]

Answer:

a+3

Step-by-step explanation:

You cannot go any further in answering this question. These two terms are not like terms so they cannot be combined. Therefore, the answer is just a+3 itself.

7 0

3 years ago

Find a value for y for which the expression (1-y)(3-y)(6-y) has each given value

erik [133]

$\\ \tt\Rrightarrow (1-y)(3-y)(6-y)=-70$

$\\ \tt\Rrightarrow -y(1+1)(3+1)(6+1)=-70$

$\\ \tt\Rrightarrow y(2)(4)(7)=70$

$\\ \tt\Rrightarrow y(56)=70$

$\\ \tt\Rrightarrow y=\dfrac{70}{56}$

$\\ \tt\Rrightarrow y=\dfrac{5}{4}$

$\\ \tt\Rrightarrow (1-y)(3-y)(6-y)=120$

$\\ \tt\Rrightarrow -y(1+1)(3+1)(6+1)=120$

$\\ \tt\Rrightarrow -y(2)(4)(7)=120$

$\\ \tt\Rrightarrow 56y=-120$

$\\ \tt\Rrightarrow y=\dfrac{-120}{56}$

$\\ \tt\Rrightarrow y=\dfrac{-15}{7}$

7 0

2 years ago

Read 2 more answers

Fast hurry skdifhg did did do fish is

Amiraneli [1.4K]

Answer:

$-\frac{7}{10}$

Step-by-step explanation:

Given:

$\frac{1}{2}- 1 \frac{1}{5}$

Number line is from range -2 to 2 with all increment of ± $\frac{2}{10}$ on both sides.

Step 1: First we will solve the equation we will get;

$\frac{1}{2}- 1 \frac{1}{5}\\\\\frac{1}{2}- \frac{6}{5}$

Step 2: Now we will try to make the denominator common so we will get;

$\frac{1\times 5}{2\times 5}- \frac{6\times 2}{5\times 2}\\\\\frac{5}{10}- \frac{12}{10}$

Step 3: Now from the number line when we subtract $\frac{12}{10}$

from $\frac{5}{10}$ we get number of spaces left are - 7

Hence now it will become:

$\frac{5}{10}- \frac{12}{10}\\\\\frac{5 -12}{10}\\\\-\frac{7}{10}$

Hence the final Answer is $-\frac{7}{10}$

4 0

3 years ago