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JulijaS [17]
4 years ago
14

Simplify the polynomial expressions by combining like terms, and then multiply the resulting binomial expressions to find their

product
(8x-9-2x)(15+5x-5)
Mathematics
1 answer:
alekssr [168]4 years ago
5 0

Answer:

30x^{2}+15x -90

Step-by-step explanation:

Given,

⇒ (8x -9 -2x)(15 + 5x -5)

⇒ (6x -9)(10 + 5x)

⇒ 60x+30x^{2} -90-45x

⇒ 30x^{2}+15x -90

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nikitadnepr [17]

Hi

The answer would be =

Why?

The `| |` symbols mean actual value, which makes every number inside of it positive. That would mean, following the rules of actual value, the equation would look like:

5 + 2 _____ 5 + 2

Both add up to 10, so both equations are equal.

4 0
3 years ago
Read 2 more answers
Angle 1 is supplementary to angle 2
Pepsi [2]

9514 1404 393

Answer:

  congruent

Step-by-step explanation:

Angles supplementary to the same angle are congruent.

__

Here, angles 1 and 3 are both supplementary to angle 2, so ...

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7 0
4 years ago
Please help :) Please and thank you :D
Olin [163]

Answer I think the first one

Step-by-step explanation:Hope this helps

4 0
3 years ago
Water erupting from geyser can reach a temperature of 244 F . The average temperature in Yellowstone National Park is 35F . Use
stiv31 [10]
Difference means subtraction , 244 - 35 = 209
I forgot how to do this problem it was 63 years ago
4 0
4 years ago
13+26 [(2.8 x 5) divided by 7]<br> HELPPP
Katen [24]
65
1. you work in the parentheses and multiply 2.8 by 5 which is 14
2. you divide 14 by 7 which is 2
3. you follow PEMDAS and multiply 26 by what is in the parentheses (2) which is 52
4. you add 13 with 52 which is 65
hope this helped!!
4 0
3 years ago
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