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GarryVolchara [31]
2 years ago
8

PLEASE HELP WITH THIS

Mathematics
1 answer:
Kitty [74]2 years ago
4 0
I think it is B -2 < x < 2
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Simplify (4x^2-7x+14)(3x+5x^2-6)<br> Please show work
tatiyna

Answer:

-23x^3+20x^4+25x^2+84x-84

Step-by-step explanation:

1 Expand by distributing sum groups.

4x^2(3x+5x^2-6)-7x(3x+5x^2-6)+14(3x+5x^2-6)

2 Expand by distributing terms.

12x^3+20x^4-24x^2-7x(3x+5x^2-6)+14(3x+5x^2-6)

3 Expand by distributing terms.

12x^3+20x^4-24x^2-(21x^2+35x^3-42x)+14(3x+5x^2-6)

4 Expand by distributing terms.

12x^3+20x^4-24x^2-(21x^2+35x^3-42x)+42x+70x^2-84

5 Remove parentheses.

12x^3+20x^4-24x^2-21x^2-35x^3+42x+42x+70x^2-84

6 Collect like terms.

(12x^3-35x^3)+20x^4+(-24x^2-21x^2+70x^2)+(42x+42x)-84

7 Simplify.

-23x^3+20x^4+25x^2+84x-84

4 0
2 years ago
Shakira went bowling with her friends. She paid $3 to rent shoes and then $4.75 for each game of bowling. If she spent a total o
Marina CMI [18]

x = # of games playing.

4.75x + 3 = 42

4.75x = 39

      x = 39 /4.75

      x = 8.21

Answer:

Shakira played about 8 games

4 0
2 years ago
Find the value of x.
prohojiy [21]
X would be 90° ... every x is 90°
3 0
2 years ago
erika estimates that she is 200 to 300 miles away from her destination. if her car travels 25 miles per gallon of gas and each g
DedPeter [7]

Answer:

32$ < x < 48$

Step-by-step explanation:

Erika estimates that her destination is between 200 and 300 miles away.

When we divide 200 with 25 miles we get 200/25 = 8 gallons

When we divide 300 with 25 miles we get 300/25 = 12 gallons

When we multiply 8 · 4 = 32$ we get amount of money for destination

200 miles  x = 32$

When we multiply 12 · 4 = 48$ we get amount of money for destination

300 miles  x = 32$

Since that the estimate destination is between 200 miles and 300 miles

then the best estimate for the amount of money is between

32$ < x < 48$

God with you!!!

7 0
3 years ago
Read 2 more answers
How do i solve this system. <br> x = 2/3<br><br> y= x^2+20
pychu [463]

Step-by-step explanation:

hope this will help you......

4 0
2 years ago
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