Question

(x+1)(x+9)

say 5he answer✖️➗✖️➗✖️​

Answer 1

x ×( x+9) +1(x+9)

x²+9x + 1x + 9

x² + 10x + 9

use factoriesation maethod

x² +9x+x+9=0

x(x+9) +1(x+9) =0

(x+9) (x+1)=0

x= – 9. x= –1