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22-04-2022
Mathematics

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what number should be added to both sides in order to solve x^2 -8x=0

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rawbeen72 rawbeen72

22-04-2022

Answer:

16

Step-by-step explanation:

x^2 -8x=0

rewrite in this form and add 16 to both sides:

x² + 2(- 4)x + 16 = 0 + 16

(x - 4)² = 16 ( take square root of both sides )

x - 4 = ± 4

x = 4 ± 4

x=8 , x= 0

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