InterviewSolution
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InterviewSolution
| 1. |
\left. \begin{array} { l l } { \text { Simplify. } } & { ( 1 ) ( x - 2 y + 3 ) ^ { 2 } + ( x + 2 y - 3 ) ^ { 2 } } \\ { ( 2 ) ( 3 k - 4 r - 2 m ) ^ { 2 } - ( 3 k + 4 r - 2 m ) ^ { 2 } } & { ( 3 ) ( 7 a - 6 b + 5 c ) ^ { 2 } + ( 7 a + 6 b - 5 } \end{array} \right. |
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