SOLUTION: Please show me how to find the roots and check my answer for the following? 1. x^2+5x-14=0 2. 3x^2+5x=0

Algebra ->  Average -> SOLUTION: Please show me how to find the roots and check my answer for the following? 1. x^2+5x-14=0 2. 3x^2+5x=0       Log On


   

Question 378188: Please show me how to find the roots and check my answer for the following?

1. x^2+5x-14=0
2. 3x^2+5x=0

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1. +x%5E2%2B5x-14=0
+%28x%2B7%29%28x-2%29=0
Two solutions:
+x%2B7=0
+highlight_green%28x=-7%29
.
.
+x-2=0
+highlight_green%28x=2%29
.
.
.
2. +3x%5E2%2B5x=0
+x%283x%2B5%29=0
Two solutions:
highlight%28x=0%29
.
.
3x%2B5=0
3x=-5
highlight%28x=-5%2F3%29
.
.
.
Verify the solutions by plugging them back into the original equation.