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nlexa [21]
3 years ago
11

Whats is x2 - x - 12 = 0

Mathematics
2 answers:
ohaa [14]3 years ago
7 0

Answer:

x = -3 or x = 4

Step-by-step explanation:

x^2-x-12=0

(x+3)(x-4)=0

x + 3 = 0

x = -3

x - 4 = 0

x = 4

andriy [413]3 years ago
7 0

Answer:

x=-3 or x=4

Step-by-step explanation:

x2−x−12=0

Step 1: Factor left side of equation.

(x+3)(x−4)=0

Step 2: Set factors equal to 0.

x+3=0 or x−4=0

x=−3 or x=4

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