Answer:
3x⁴ + x³ + 3 x² - 18 x + 4
Step-by-step explanation:
5+3a = 3-2a
So
5a = -2
a=-2/5=-0.4
The answer is b: -3/8, -3/16, 7/4
AB - C2 = (x2)(3x + 2) - (x-3)2
AB - C2 = 3x3 + 2x2 - (x2 -6x +9)
AB - C2 = = 3x3 + 2x2 - x2 + 6x - 9
AB - C2 = = 3x3 + x2 + 6x - 9