It’s the 4th option
<—> this sign thingie represents the interchanging sign like x=y y=x
9556.72 cubic feet of water is needed to refill the tank.
Answer:
You add polynomials when there are plus signs. You subtract them when there is a minus sign. Remember to only add/subtract like terms within the polynomials.
Step-by-step explanation:
Difference of two squares is of the form (a + b)(a - b) or vice-versa. Here, a = -5x and b = 3.
(-5x - 3)(-5x + 3)
Answer: 3
