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Trey Zavala
Mathematics
20 March, 06:58
Factorise
a) x + 3x - 4
+4
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2
)
Frederick
20 March, 07:02
0
(x-1) (x+4)
Step-by-step explanation:
I'm guessing you meant x^2+3x-4.
The easiest part is knowing that:
(x-_) (x+_)
You have to look for numbers that multiply to - 4 and add up to 3. Therefore, it would be - 1 and 4:
(x-1) (x+4)
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Casey Downs
20 March, 07:13
0
The answer to this equation is 4 (x-1)
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