00072178 00072178

14-04-2021
Mathematics

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Help for 20 points please

Help for 20 points please class=

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alliewallace28 alliewallace28

14-04-2021

I think that the answers to this question is going to be B

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bcrooms906 bcrooms906

14-04-2021

Answer:

The Answer is 12 - 15= 129

Step-by-step explanation:

x2−15=129

Step 1: Add 15 to both sides.

x2−15+15=129+15

x2=144

Step 2: Take square root.

x=±√144

x=12

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