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angelinka7221
@angelinka7221
August 2022
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akhunovaaliyap6akzm
A) (x-1)^2 -(x-3)(x+2) = 2
x^2 -2x +1 - x^2 -2x +3x +6 -2=0
-x + 5 = 0
x=5.
b) a^2 +2a + 1 = 0
(a+1)^2 = 0
a+1=0
a=-1.
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Answers & Comments
x^2 -2x +1 - x^2 -2x +3x +6 -2=0
-x + 5 = 0
x=5.
b) a^2 +2a + 1 = 0
(a+1)^2 = 0
a+1=0
a=-1.