SOLUTION: I am lost at how to solve this problem.
Solve by applying the Quadratic Formula; all radicals should be simplified as far as possible. Show your work.
x2 + 8x = 3
Algebra ->
Quadratic Equations and Parabolas
-> SOLUTION: I am lost at how to solve this problem.
Solve by applying the Quadratic Formula; all radicals should be simplified as far as possible. Show your work.
x2 + 8x = 3
Log On
Question 324675: I am lost at how to solve this problem.
Solve by applying the Quadratic Formula; all radicals should be simplified as far as possible. Show your work.
x2 + 8x = 3
You can put this solution on YOUR website! x^2 + 8x = 3
---
x^2+8x-3 = 0
---
Formula: x = [-b +-sqrt(b^2-4ac]/[2a}
-------------------------------------------
a = 1 ; b = 8 ; c = -3
---
x = [-8 +- sqrt(64-4*1*-3)]/[2*1]
---
x = [-8 +- sqrt(76)]/2
---
x = [-8 +- 2sqrt(19)]/2
---
x = [-4 +- sqrt(19)]
x = -4+sqrt(19) or x = -4-sqrt(19)
====================================
Cheers,
Stan H.
(