Solve the following polynomial equation for x : x2 – 2(a + 2)x + (a + 1) (a + 3) = 0.
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Answer:
a=-1,-3
Step-by-step explanation:
=2(0)-2(a+2)0+(a+1)(a+3)
=(a+1)(a+3)
=a^2+a+3a+3
=a^2+4a+3
=a^2+3a+a+3
=a(a+3)+1(a+3)
=(a+1)(a+3)
a=-1,-3
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