SOLUTION: what is the answer to: 3X squared + 2X - 5
Algebra
->
Expressions
-> SOLUTION: what is the answer to: 3X squared + 2X - 5
Log On
Algebra: Evaluation of expressions, parentheses
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on expressions
Question 56788
:
what is the answer to: 3X squared + 2X - 5
Found 2 solutions by
Nate, checkley71
:
Answer by
Nate(3500)
(
Show Source
):
You can
put this solution on YOUR website!
3x^2 + 2x - 5 = 0
x^2 + 2x/3 = 5/3
(x + 2/6)^2 = 4/36 + 60/36 = 64/36
x + 2/6 = +- 8/6
x = -2/6 +- 8/6
x = -5/3 and x = 1
Answer by
checkley71(8403)
(
Show Source
):
You can
put this solution on YOUR website!
3X^2+2X-5=0
(3X+5)(X-1)=0
3X+5=0
3X=-5
X=-5/3
AND
X-1=0
X=1