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Elena L [17]
3 years ago
13

Whats the solutions for f(x)=- x^2-6x-8

Mathematics
2 answers:
poizon [28]3 years ago
7 0

Answer:

x = -4, -2

Step-by-step explanation:

-x² - 6x - 8 = 0

x² + 6x + 8 = 0

x² + 4x + 2x + 8 = 0

x(x + 4) + 2(x + 4) = 0

(x + 4)(x + 2) = 0

x = -4, -2

Aleonysh [2.5K]3 years ago
3 0

Answer:

x=-4    x=-2

Step-by-step explanation:

Set this equal to zero to find the solutions

0=- x^2-6x-8

Divide by -1

0/-1 = x^2 +6x+8

0 =  x^2 +6x+8

Factor

What 2 numbers multiply to 8 and add to 6

4*2 = 8

4+2 = 6

0 = (x+4)(x+2)

Using the zero product property

x+4 = 0      x+2 =0

x=-4    x=-2

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