Solve for a (complex solution)
a\in \mathrm{C}
Solve for a
a\in \mathrm{R}
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8a^{3}-1=8a^{3}-1
Use the distributive property to multiply 2a-1 by 4a^{2}+2a+1 and combine like terms.
8a^{3}-1-8a^{3}=-1
Subtract 8a^{3} from both sides.
-1=-1
Combine 8a^{3} and -8a^{3} to get 0.
\text{true}
Compare -1 and -1.
a\in \mathrm{C}
This is true for any a.
8a^{3}-1=8a^{3}-1
Use the distributive property to multiply 2a-1 by 4a^{2}+2a+1 and combine like terms.
8a^{3}-1-8a^{3}=-1
Subtract 8a^{3} from both sides.
-1=-1
Combine 8a^{3} and -8a^{3} to get 0.
\text{true}
Compare -1 and -1.
a\in \mathrm{R}
This is true for any a.
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Limits
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