Select all of the variables that are solutions of x^2 +20=12x

asked Aug 25, 2019 132k views

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7 votes

Find all solutions:

$x^2 +20=12x\\x^2-12x+20=0\\$

use quadratic formula to get the following two solutions:

$x_1 = 2\\x_2 = 10$

Rubal answered Aug 31, 2019

by Rubal

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