Question

(x + 4)^2 - (x - 4)^2 / 8x

Answer 1

Respuesta:

18

Explicación paso a paso:

$(x + 4)^{2} - (x - 4)^{2} \div 8x = \\ {x}^{2} + 2 \times x \times 4 + {4}^{2} - {x}^{2} - 2 \times x \times 4 + {4}^{2} \div 8x = \\ {x}^{2} +8x + {4}^{2} - x^{2} - 8x + {4}^{2} \div 8x = \\ {x}^{2} - {x}^{2} + 8x - 8x + {4}^{2} + {4}^{2} \div 8 = \\ 16 + 16 \div 8 = \\ 16 +2 = \\ 18$