alexmartini234 alexmartini234

04-05-2017
Mathematics

contestada

Solve the equation using square roots. Select the solution(s).
(2x−1)²=81

Respuesta :

HammyTheKid HammyTheKid

04-05-2017

first you find the square root of both sides
2x-1 = 9
then add 1 to both sides
2x=10
then divide both sides by 2
x=5

Answer Link

Otras preguntas

having troubles with inequalities.. 3.8x + 14.5 < 32

Explain what is the same about two fractions that are like fractions

which trinomial is equivalent to (3x-1)(x+4)

having troubles with inequalities.. 3.8x + 14.5 < 32

what is the sum of 7/10 and 6/100

which trinomial is equivalent to (3x-1)(x+4)

which trinomial is equivalent to (3x-1)(x+4)

having troubles with inequalities.. 3.8x + 14.5 < 32

Explain what is the same about two fractions that are like fractions

having troubles with inequalities.. 3.8x + 14.5 < 32