Question

MEDALSSSSS!!!!!
x^2-5x-36
factor this trinoial

Answer 1

x^2 +5*x -36 = 0
Separate : ( x^2 -4*x ) + ( 9*x -36 ) = 0
Commutative Law : ( x^2 +9*x ) + ( -4*x -36 ) = 0
Distributive Law : x*( x +9 ) + -4*( x +9 ) = 0
Factor : ( x -4 )*( x +9 )

Answer : C.(x+9)(x-4)