Question

ayúdenme por favor se los agradecería​

Answer 1

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