x^2+5x= -2x-12

Question

0

786

1

x^2+5x= -2x-12

Guest Aug 24, 2015

+128408

+5

Best Answer

x^2+5x= -2x-12 add 2x, 12 to both sides

x^2 + 7x + 12 = 0 factor

(x + 3)( x + 4)= 0 and setting each factor to 0, we have that x = -3 or x = -4

CPhill Aug 24, 2015

CPhill · Answer 1 · 2015-08-24T11:53:10

x^2+5x= -2x-12 add 2x, 12 to both sides

x^2 + 7x + 12 = 0 factor

(x + 3)( x + 4)= 0 and setting each factor to 0, we have that x = -3 or x = -4