Answer:
1.)x²+9x+20=0
(x+4)(x+5l
x1= -4
x2= -5
5.) x²+8x+16=0
(x+4)(x+4)
x2= -4
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Answer:
1.)x²+9x+20=0
(x+4)(x+5l
x1= -4
x2= -5
5.) x²+8x+16=0
(x+4)(x+4)
x1= -4
x2= -4