Solve the equation x2-81 = 0.

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Bas Peeters asked Mar 11, 2022

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21 votes

Solve the equation x2-81 = 0.

Mathematics
high-school

Bas Peeters asked Mar 11, 2022

by Bas Peeters

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2 Answers

24 votes

Answer:

2x-81=0

2x=0+81

2x=81

x=81

x=40.5 ANSWER.

MARK ME AS A BRAINLIST PLZ.

Bedla answered Mar 11, 2022

by Bedla

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14 votes

Answer:

40.5

Explanation:

x2 - 81 = 0 --> + 81 to both sides

2x = 81 --> divide by 2 on both sides

x = 40.5

Jerome Jaglale answered Mar 17, 2022

by Jerome Jaglale

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