SOLUTION: The sum of number and twice its square is 35. Find the number.
Algebra
->
Quadratic Equations and Parabolas
->
Quadratic Equation Customizable Word Problems
-> SOLUTION: The sum of number and twice its square is 35. Find the number.
Log On
Quadratics: solvers
Quadratics
Practice!
Practice
Answers archive
Answers
Lessons
Lessons
Word Problems
Word
In Depth
In
Click here to see ALL problems on Quadratic Equations
Question 1083315
:
The sum of number and twice its square is 35. Find the number.
Found 2 solutions by
josgarithmetic, MathLover1
:
Answer by
josgarithmetic(39616)
(
Show Source
):
You can
put this solution on YOUR website!
This is the description:
-
Answer by
MathLover1(20849)
(
Show Source
):
You can
put this solution on YOUR website!
let's a number be
twice its square is
i the sum of number and twice its square is
, we have
......use quadratic formula
solutions:
or