Which expression is equivalent to 16a4 - b4?
A.
(2a + b)(2a - b)(4a2 + b2)
B.
(2a - b)(2a - b)(4a2 + b2)
C.
(2a + b)(2a + b)(2a - b)(2a - b)
D.
(2a - b)(2a - b)(2a - b)(2a - b)

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12