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olga nikolaevna [1]
3 years ago
14

-5x(x-4)=-30 Could someone please help me as soon as they can :\

Mathematics
1 answer:
Flura [38]3 years ago
7 0

Answer: 2 + √10 , 2 − √10

Step-by-step explanation:

-5x(x-4) = -30

divide by -5

x(x - 4) = -30

distribute the x

x^2 - 4x = 6

move the 6 to the left to have the equation equal zero

x^2 - 4x - 6 = 0

plug into the quadratic formula & solve

x

= 2 + √10 , 2 − √10

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