oclark20 oclark20

30-03-2020
Mathematics

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Solve for all solutions (2x+3)2=81

Respuesta :

activitiesmulan activitiesmulan

30-03-2020

X=12
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jp7736160 jp7736160

30-03-2020

Answer:

x=75/4 or x=18.75

Step-by-step explanation:

(2x+3)2=81

2(2x+3)=81

4x+6=81

-6 -6

4x= 75

4x/4 = 75/4

x= 75/4 or x= 18.75

Answer Link

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