Question

please help?

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

Let x be the number
x^2 is its square
x+x^2=20
x^2+x-20=0
Can you factor that?

Answer 2

yes

Answer 3

Tell me what you get.

Answer 4

-5,4

Answer 5

Which one of those is the positive one? That will be your answer because the problem asks for a positive number.

Answer 6

4

Answer 7

Good job!!

Answer 8

thanks good job to you to0!