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3 years ago

Combine like terms 12p-10(p-5)

Mathematics

1 answer:

andre [41]3 years ago

5 0

Simplifying

2(3(4 + p) + p) + p

2((4 * 3 + p * 3) + p) + p

2((12 + 3p) + p) + p

Combine like terms: 3p + p = 4p

2(12 + 4p) + p

(12 * 2 + 4p * 2) + p

(24 + 8p) + p

Combine like terms: 8p + p = 9p

24 + 9p

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3 years ago

Evaluate 7 + (-3x^2) For x = 0 A. -2 B. 0 C. 4 D. 7

Goryan [66]

Answer: D. 7

Step-by-step explanation:

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3 years ago

Read 2 more answers

Solve the following rational equation plz help!!

Yuri [45]

Answer:

x = $\frac{9}{4}$

Step-by-step explanation:

Given

$\frac{4x}{x+1}$ - $\frac{5}{x}$ = $\frac{4}{x^2+x}$ ← factor denominator

$\frac{4x}{x+1}$ - $\frac{5}{x}$ = $\frac{4}{x(x+1)}$

[ x ≠ 0, x ≠ - 1 as these would make the terms undefined ]

Multiply through by x(x + 1)

4x² - 5(x + 1) = 4

4x² - 5x - 4 = 4 ( subtract 4 from both sides )

4x² - 5x - 9 = 0 ← in standard form

(x + 1)(4x - 9) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 1 = 0 ⇒ x = - 1

4x - 9 = 0 ⇒ 4x = 9 ⇒ x = $\frac{9}{4}$

However, x ≠ - 1 for reason given above, then

solution is x = $\frac{9}{4}$

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3 years ago

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Answer:

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Step-by-step explanation:

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