Question

solve the follwing quadratic equations by completing square method x2+6x-7=0​

Answer 1

Answer:

x =(6+√92)/4=(3+√ 23 )/2= 3.898

or

x =(6-√92)/4=(3-√ 23 )/2= -0.898

Step-by-step explanation:

Answer 2

Answer:

-1 , 7

Step-by-step explanation:

x^2 + 2*3*x + 3^2 - 16 = 0

(x - 3)^2 = 4^2.

x-3 = + (-) 4.

x = -1, 7.