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Factor X2 plus 8x equals -15?

Updated: 11/1/2022

Wiki User

∙ 14y ago

Best Answer

x2 + 8x = -15

x2 + 8x + 15 = 0 since 15 = 5 x 3 and 5 + 3 = 8, then

(x + 5)(x + 3) = 0

x + 5 = 0 or x + 3 = 0

x = -5 or x = -3

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∙ 14y ago

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How do you factor x2 plus 8x plus 15?

x2 + 8x + 15 = (x + 3) (x + 5).

Factor x squared - 8x plus 15 equals 0?

(x-3)(x-5) = 0

Solve 8x plus 39 equals 2x-15?

8x+39 = 2x-15 6x = -54 x = -9

What is x when 2x plus 15 equals 43 plus 8x?

2x + 15 = 8x + 43 -6x = 28 x = -6 / 28 = -3 / 14

How do you write 8x plus 4y equals 5?

8x plus 4y equals 5 is 8x + 4y = 5.

Related questions

Factor x2 plus 8x plus 15?

x2 + 8x + 15 = (x + 3)(x + 5)

How do you factor x2 plus 8x plus 15?

x2 + 8x + 15 = (x + 3) (x + 5).

Factor x squared - 8x plus 15 equals 0?

(x-3)(x-5) = 0

What is the factor of 3x plus 45 equals 24x?

3 is a factor and dividing by 3 gives x + 15 = 8x

Which of the following factor of x2-8x plus 15?

x2-8x+15 = (x-3)(x-5)

Solve for x 8x equals 2x plus 15?

8x = 2x + 15 6x = 15 x = 15/6 = 2.5

What is 8x plus 15 equals 3x 20?

X = 1

Solve 8x plus 39 equals 2x-15?

8x+39 = 2x-15 6x = -54 x = -9

Y-8x plus 9y equals?

Y-8x plus 9y equals 10y-8x.

What is x when 2x plus 15 equals 43 plus 8x?

2x + 15 = 8x + 43 -6x = 28 x = -6 / 28 = -3 / 14

How do you write 8x plus 4y equals 5?

8x plus 4y equals 5 is 8x + 4y = 5.

What is the solution set of -8x plus x plus 15 equals -7x plus 12?

the empty set.

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