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Ainat [17]
3 years ago
14

Factorise the following: a) x + 3x - 4 b) x - 2x - 3 c) x + 2x - 8

Mathematics
1 answer:
Komok [63]3 years ago
8 0
Are they supposed to be quadratic equations? Is it x^2 +3x -4 etc?
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Answer:

y = 4/3x-7/3

Step-by-step explanation:

Slope intercept form is y=Mx+b; m=slope & b= y intercept

y=-4/3x+b

Now substitute x & y with the point given

(-9)=-4/3(5)+b

-9= -20/3+b

+20/3 +20/3

-7/3=b

Now substitute this into the original equation

y = 4/3x-7/3

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