rosemattie2 rosemattie2

24-01-2020
Mathematics

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Please help explain on how to do it as I am having trouble solving it.

Please help explain on how to do it as I am having trouble solving it class=

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ohiekulous ohiekulous

24-01-2020

Answer:

the value if x is 15

Step-by-step explanation:

Use Pythagoras theorem

x² = (x - 3)² + 9²

x² = x² -3x -3x + 9 + 81

x² = x² -6x + 90

x² - x² + 6x = 90

6x = 90

divide through by 6

x = 90/6

x = 15

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