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Dmitry [639]
3 years ago
6

Find the product (3x+8)(x-4)

Mathematics
2 answers:
timurjin [86]3 years ago
7 0

Answer:

3x^{2} - 4x - 32

Step-by-step explanation:

(3x+8)(x-4)

=3x^{2} -12x + 8x -32

=3x^{2} - 4x - 32

balu736 [363]3 years ago
6 0

Answer:

Step-by-step explanation:

3x^2 - 12x + 8x - 32

3x^2 - 4x -32

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Can you pls help me solve this?​
soldi70 [24.7K]

Answer:

x=6. x=15

Step-by-step explanation:

13. x=6

16. x=15

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Three parcels weigh 2 pounds. Two parcels weigh the same. The lightest weight is 5/8 pound lighter than the heaviest weight. How
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3 years ago
bobby’s christmas list had 3 more than twice as many items on it than johnny’s list. johnny asked for 8 fewer items than bobby.
Nataly [62]

Answer:

<em>Johnny had </em><em>5</em><em> items and Bobby had </em><em>13</em><em> items.</em>

Step-by-step explanation:

Let us assume that Johnny has x items and Bobby has y items in their list.

Bobby had 3 more than twice as many items on it than Johnny. So,

\Rightarrow y=3+2x  ----------1

Johnny asked for 8 fewer items than bobby. So,

\Rightarrow y-8=x  -----------2

Putting the value of x from equation 2 in equation 1, we get

\Rightarrow y=3+2(y-8)

\Rightarrow y=3+2y-16

\Rightarrow 2y-y=16-3

\Rightarrow y=13

Putting the value of y in equation 2,

\Rightarrow 13-8=x

\Rightarrow x=5

So, Johnny had 5 items and Bobby had 13 items.

3 0
3 years ago
Hello, I gotta turn it turn in this question today, help!!!!!!
Sladkaya [172]

Answer:

2 or -2

Step-by-step explanation:

If x² - 8x = -12

Step 1

We find x by solving

x² - 8x = -12

We equate to zero

x² - 8x + 12 = 0

We factorise

x² - 6x - 2x + 12 = 0

x(x - 6) -2(x - 6) = 0

(x - 6) (x - 2) = 0

x - 6 = 0, x = 6

x - 2 = 0, x = 2

x = 6 or 2

Step 2

What is x - 4?

When x = 6

= 6 - 4 = 2

When x = 2

= 2 - 4 = -2

Therefore, x - 4 = 2 or -2

3 0
3 years ago
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