Question

Solve the following word problem by using an equation and factoring. The sum of a positive number and its square is 20. What is the number?
A. 1
B. 2
C. 3
D. 4
E. 5

Answer 1

x+x^2 = 20
x+x^2-20 = 0
solve for x

Answer 2

x+x^2=20
x^2+x-20=0
(x+5)(x-4)=0
You want the positive value, ignore the negative

Answer 3

x = 4

Answer 4

I got tht answer too

Answer 5

thnk u guys