Find -2 1/6 + ( - 2/3 )= Write your answer as a fraction in simplest form.
2 answers:
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Hey! Hope that I can help.
$=(a^2-10a)-(b^2+6b) +16$
$=[(a^2-2(5)a+25)-25]-[(b^2+2(3)b+9)-9]+16$
$=(a-5)^2-25-(b+3)^2+9+16$
$=(a-5)^2-(b+3)^2$