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Vlada [557]
3 years ago
12

Factorise x2 + x - 12

Mathematics
2 answers:
ahrayia [7]3 years ago
5 0
x^2+x-12
Answer:
=(x-3)(x+4)

lora16 [44]3 years ago
3 0
1,12
2,6
3,4 
thats all 
since its -12 , one will be negative and one will be positive.
since there's 1X, the two numbers differ by 1 only 3 & 4 fit so it's 4+ and -3  
(X+4)*(X-3)
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