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Mathematics
Lilliana
27 March, 21:25
Solve using the quadratic formula x^2+x=12
+4
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Trent Alexander
28 March, 00:47
0
Step-by-step explanation:
x²+x-12=0
by factorization
x²-3x+4x-12=0
taking common
x (x-3) + 4 (x-3)
(x+4) (x-3)
x = - 4. x=3
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