(5 - x)(5 + x) + (x + 2)² = 25 - x² + x² + 4x + 4 = 4x + 29
Если x = - 2,5 , то 4 * (- 2,5) + 29 = - 10 + 29 = 19
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(5 - x)(5 + x) + (x + 2)² = 25 - x² + x² + 4x + 4 = 4x + 29
Если x = - 2,5 , то 4 * (- 2,5) + 29 = - 10 + 29 = 19