Question

x^2+6x-40=0 complete the square

Answer 1

Answer:

x = {4, -10}

Step-by-step explanation:

x^2+6x-40=0

x^2+6x+9 = 40+9

(x+3)^2 = 49

x+3 = 7

x+3 = -7

x = {4, -10}