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Mind Expander
To solve the first equation
, start by expanding the terms:
- Expand
. - Expand
.
Substituting these into the equation gives:
This simplifies to:
Combine like terms:
Now solve for
:
Now for the second equation
:
First, expand both sides:
Left-hand side:
- Expand
. - Expand
.
So,
Right-hand side:
Expand
.
Thus, we have:
Cancel
from both sides, yielding:
Rearranging gives:
Final answers: