(x-8)square+(x+8)square
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( x - 8 ) ² + ( x + 8 ) ²
By using the formula
• ( a - b ) ² = a² - 2ab + b²
• ( a + b ) ² = a² + 2ab + b²
x² - 16x + 64 + x² + 16x + 64
- 16x and + 16x gets cancelled
2x² + 128
2 ( x² + 8² )
By using the formula
• a² + b² = ( a + b ) ( a - b )
2 ( x + 8 ) ( x - 8 ) ➡ Answer
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