x² + 8x + 2 = 0
move the constant to the right:
x² + 8x = -2
add the same value to the both sides:
x² + 8x + ? = -2 + ?
add 16 to the expression:
x² + 8x + 16 = -2 + 16
rewrite and calculate:
(x + 4)² = 14
solve the equation for x:
x = -√14 - 4
x = √14 - 4
the equation has two solutions.
Copyright © 2024 EHUB.TIPS team's - All rights reserved.
Answers & Comments
x² + 8x + 2 = 0
move the constant to the right:
x² + 8x = -2
add the same value to the both sides:
x² + 8x + ? = -2 + ?
add 16 to the expression:
x² + 8x + 16 = -2 + 16
rewrite and calculate:
(x + 4)² = 14
solve the equation for x:
x = -√14 - 4
x = √14 - 4
the equation has two solutions.