Respuesta :

AllyThea

Answer:

R= {-7,-2}

Step-by-step explanation:

  1. divide 14 into 2 and 7 because 2x7=14
  2. write the equation as a multiplication of (x+7) and(x+2) =0
  3. for the result to equal zero. at least one of the factors must equal zero, therefore we get two solutions
Ver imagen AllyThea
Sauni101

Answer:

x^2+9x+14=0

x^2+7x+2x+14=0

x(x+7)+2(x+7)=0

(x+7)(x+2)=0

x+7=0

x+2=0

X=-7

x=-2