Question

4(x + 7)^2 – 49 = -13 solve the following quadratic equation for all values of x in the simplest form

Answer 1

Answer:

4(x²+14x+49)-49+13=0

4x²+56x+196-49+13=0

4x²+56x+160=0

D=3136-2560=576

x1=-56+24/8=-4

x2=-56-24/16=-10