Algbrea 2 Math

Question

11-20x-4x^2=

Answer 1

11-20x-4x²=0

 

factor: (11+2x)(1-2x)

 

set each factor to zero and solve for x

 

11+2x=0

--> x=-11/2

 

1-2x=0

-->  x=1/2

 

 

Answer 2

rearrange 11 - 20x - 4x²  ----> -4x² - 20x + 11

 

(-2x + 1)(2x + 11)