sofisilva231544
sofisilva231544
19-09-2018
Mathematics
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Help meeee please....
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s1m1
s1m1
19-09-2018
( X-4)•(5x+2)= 5x^2 +2x-20x-8= 5x^2 -18x-8
Is the 3rd option from up to down
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Aaryan00
Aaryan00
19-09-2018
Area of rectangle = length x breadth
= (5x+2) x (x-4)
Multiply the parentheses
5x^2-20x+2x-8
5x^2 -18x -8 <---- Answer (3rd option)
Answer Link
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