Question

Simplify and verify your result for a = 1 and b= -1 ii. 4a(2a² - 6a) - a(a + 2)-3a³(5a²-4a+3)​

Answer 1

Answer:

-31

Step-by-step explanation:

=4×1(2×1-6×1)-1(1+2)-3×1(5×1-4×1+3)

=4(2-6)-1(1+2)-3(5-4+3)

=4(-4)-1(3)-3(4)

=-16-3-12

= -31