Hi,
We know that:
a² -- b² = (a -- b)(a + b).
With a = x, and b = 4, we have:
x² -- 16 = x² -- 4² = (x -- 4)(x + 4).
As simple as that. Have you understood ?
Green eyes.
Answer:
658-10=648
Step-by-step explanation:
subtract 10 from 658.
remember that a mode is a number repeated in the data set ( or the number list.
Mode: 6
