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OpenStudy (anonymous):
-a^2=16-8a please solve
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OpenStudy (anonymous):
Because the highest power of a is 2 the first step is to rearrange the equation and make the right hand side zero.
OpenStudy (anonymous):
so -a^2-8a-16=0? i know that. i really just need it solved.
OpenStudy (anonymous):
take the a^2 to the other side and it will be positive. Or multiply the whole equation by -1
OpenStudy (anonymous):
is the answe 4, 4?
OpenStudy (anonymous):
Now factorise the left side
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OpenStudy (anonymous):
a^2-8a +16=0
OpenStudy (anonymous):
Well done chichi7
OpenStudy (anonymous):
chi., original equation is wrong, because you have -a^2
OpenStudy (anonymous):
plz?
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