Respuesta:
(x+ 4)(x- 4)= x²-x-16
(x+ 4)²= x²+ 8x+16
(x +4)(x -1)= x²+3x-4
(x+1)(x-4)= x²-3x-4
(4x+1)(4x - 1) = 16x²-4x-1
(4x - 1)² = 16x²-8x+1
(4+ x)(4-x) = 16 -x²
(x+ 1)(x + 4)= x²+ 5x + 4
(4-x)² = -8x +x²
(x-1)(x-4) = x²-5x+4
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Respuesta:
(x+ 4)(x- 4)= x²-x-16
(x+ 4)²= x²+ 8x+16
(x +4)(x -1)= x²+3x-4
(x+1)(x-4)= x²-3x-4
(4x+1)(4x - 1) = 16x²-4x-1
(4x - 1)² = 16x²-8x+1
(4+ x)(4-x) = 16 -x²
(x+ 1)(x + 4)= x²+ 5x + 4
(4-x)² = -8x +x²
(x-1)(x-4) = x²-5x+4