Respuesta :

skydmx

(a+6)(3a-7)=0

step 1: simplify both sides of the equation

3a^2 +11a-42=0

step 2: factor left side of equation

(3a-7)(a+6)=0

step 3: set factors equal to 0

3a -7 =0 or a+6=0

a=7/3 or a=-6