Question

The sum of a whole number and twice its square is 36. Find the number

Answer 1

Step-by-step explanation:

× +2×^2=36

2×^2+×- 36=0

(2× + 9)(×- 4 ) = 0

2×+9 results in negative measures

×- 4=0 ×=4

4 +2 (4^2) = 4 +2 (16) =4+32 = 36

yep, its 4