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Darya [45]
2 years ago
13

Factor the trinomial 2x^2+15x+7

Mathematics
1 answer:
Mashutka [201]2 years ago
3 0

Answer:

(2x+1)(x+7)

Step-by-step explanation:

2x2+15x+7

For a polynomial of the form ax2+bx+c

, rewrite the middle term as a sum of two terms whose product is a⋅c=2⋅7=14 and whose sum is b=15

.

Tap for more steps...

2x2+x+14x+7

Factor out the greatest common factor from each group.

Tap for more steps...

x(2x+1)+7(2x+1)

Factor the polynomial by factoring out the greatest common factor, 2x+1

.

(2x+1)(x+7)

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Answer:

y = 250x + 1500

Step-by-step explanation:

Slope is 250

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3 years ago
What is the value of x?
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Answer:

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Step-by-step explanation:

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If y = 2x and 3x - 3y = 2, then x =
faltersainse [42]

Answer:

The value of x is equal to -2/3.

Step-by-step explanation:

In the problem it says that y equals 2x, and that 3x - 3y = 2.

The first step is to substitute 2x into y.

3x - 3(2x) = 2.

The next step is to use distributive property.

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Now we need to add like terms.

3x - 6x = -3x.

Which gives us the equation -3x = 2.

The final step is to divide on both sides to get the value of x.

-3x/-3 = 2/-3.

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So as you can see, x is equal to -2/3.

We can also check to make sure by redoing the problem, but substituting the value of x.

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2 = 2.

The value of x is indeed -2/3.

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2 years ago
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