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Gilbert
Mathematics
2 June, 11:25
What are the solutions to (x+7) squared = 81
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Lucia Carney
2 June, 11:43
0
x=2
Step-by-step explanation:
- Take the square root of both sides of the equation so that we can get rid of the squared on the x+7
- The square root of 81 is 9
- so now, the equation is x+7=9
- subtract seven from both sides
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