Question

Determine the product of each sum and difference of two terms x+7 x-7

Answer 1

Answer:

Product:

(x+7)(x-7)

x(x-7)+7(x-7)

$x ^{2} - 7x + 7x - 49$

${x}^{2} - 49$

Sum:

x + 7 + x - 7

2x

Difference:

(x+7) - (x-7)

x + 7 - x + 49

56

Hope this helps

please feel free to correct me if I'm wrong.