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son4ous [18]
3 years ago
6

What is the product of (x+3)(x+5)

Mathematics
2 answers:
11Alexandr11 [23.1K]3 years ago
6 0

Answer:

USE FOIL*****  Inner outer and Center x^2 + 8x+ 15

Step-by-step explanation:

x times x is x^2

(3)(x) is 3x

(x)(5) is 5x

(3)(5) is 15

add like terms:

x^2 + 8x+ 15

Citrus2011 [14]3 years ago
5 0

Answer:

x^{2}+8x+15

Step-by-step explanation:

we apply the distributive property

so we have

(x+3)*(x+5)

x*x+5*x+3*x+3*5

finally

we have

x^{2} +8x+15

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Given:
3kg book
speed of falling of 4.0 m/s
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A chess club has 480 members but is losing 30 members each year. A computer club has 130 members and is gaining 20 members per y
Alexxandr [17]

Answer:

The two clubs will have the same number of members after 7 years

Step-by-step explanation:

Let the number of years is x

∵ A chess club has 480 members but is losing 30 members each year

∵ The number of years = x

∴ The total members after x years = 480 - 30x ⇒ (1)

∵ A computer club has 130 members and is gaining 20 members per year

∵ The number of years = x

∴ The total members after x years = 130 + 20x ⇒ (2)

∵ The two clubs will have the same number of members after x years

→ Equate (1) and (2)

∴ 480 - 30x = 130 + 20x

→ Add 30x t both sides

∵ 480 - 30x + 30x = 130 + 20x + 30x

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→ Subtract 130 from both sides

∵ 480 - 130 = 130 - 130 + 50x

∴ 350 = 50x

→ Divide both sides by 50

∴ 7 = x

∴ The two clubs will have the same number of members after 7 years

8 0
2 years ago
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