Solve the following equation sqrt(2x+3) -2x=3

polynnxu

polynnxu

Answered question

2022-08-06

Solve the following equation
2 x + 3 2 x = 3

Answer & Explanation

Evelin Castillo

Evelin Castillo

Beginner2022-08-07Added 12 answers

2 x + 3 2 x = 3
2 x + 3 = 3 + 2 x
( 2 x + 3 ) 2 = ( 3 + 2 x ) 2
2 x + 3 = 4 x 2 + 12 x + 9
0 = 4 x 2 + 10 x + 6
then use the quadratic formula so you get...
x = ( 10 ± 102 4 4 6 ) / ( 2 4 )
x=-3/2 or -1
heelallev5

heelallev5

Beginner2022-08-08Added 2 answers

2 x + 3 2 x = 3
2 x + 3 = 3 + 2 x
( 2 x + 3 ) 2 = ( 3 + 2 x ) 2
2 x + 3 = 4 x 2 + 12 x + 9
0 = 4 x 2 + 10 x + 6
b ± b 2 4 a c 2 a
x = ( 10 ± 102 4 4 6 ) / ( 2 4 )
x= -3/2 or -1

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