4(5x + 3) - 4x
4*5x = 20x
4 * 3 = 12
20x and 4x are like terms,so 20x - 4x=16x
12 doesn’t have anything to go with,so it just stays
16x + 12 (B is the correct answer)
Answer:
Step-by-step explanation:
4(x^2 = 6x + 9)
4(x + 3)(x + 3)
Points on the line of reflection don't change... they remain the same point