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Alja [10]
3 years ago
6

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

Mathematics
1 answer:
Alex17521 [72]3 years ago
8 0

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

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