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lukranit [14]
3 years ago
10

Need help finding the factor of 2y^2-2y-4

Mathematics
2 answers:
11Alexandr11 [23.1K]3 years ago
7 0

Answer:

2(y - 2)(y + 1)

Step-by-step explanation:

Given

2y² - 2y - 4 ← factor out 2 from each term

= 2(y² - y - 2) ← factor the quadratic

Consider the factors of the constant term (- 2) which sum to give the coefficient of the y- term (- 1)

The factors are - 2 and + 1, since

- 2 × 1 = - 2 and - 2 + 1 = - 1 , then

y² - y - 2 = (y - 2)(y + 1)

Then

2y² - 2y - 4 = 2(y - 2)(y + 1) ← in factored form

uysha [10]3 years ago
6 0

Answer:

hope it helps you............

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Answer:

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Step-by-step explanation:

Let x be the number of heaters and y be the total cost.

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It means the line passes through the points (15,4050) and (25,6550).

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