answersLogoWhite

0

Subtract 9 from each side: 4x2 + 4x - 8 = 0

Simplify: 4(x2 + x - 2) = 0

Factorise: 4(x + 2)(x - 1) = 0

So x = -2 or 1 both of which satisfy the original equation.

User Avatar

Wiki User

15y ago

Still curious? Ask our experts.

Chat with our AI personalities

ViviVivi
Your ride-or-die bestie who's seen you through every high and low.
Chat with Vivi
LaoLao
The path is yours to walk; I am only here to hold up a mirror.
Chat with Lao
JudyJudy
Simplicity is my specialty.
Chat with Judy

Add your answer:

Earn +20 pts
Q: How do you answer 4x2 plus 4x plus 1 equals 9?
Write your answer...
Submit
Still have questions?
magnify glass
imp