I'm not sure exactly which type you are meaning since there are four types of expansions, but depending on which specific type here are your answers! :)
Answer:
54=x
Step-by-step explanation:
2x+2=3x-52
this is because they are opposite alternating angles so now we can re arrange the equation.
54=x
Answer:
11
Step-by-step explanation:
f(x) = 3x^2
– 4x – 9
Let x = -2
f(-2) = 3 (-2)^2 -4(-2) -9
=3(4) +8 -9
=12 +8 -9
20-9
11
find the lcm first for 8 and 5 which is 40
closs multiply the 4 given numbers
so,
8x4 +5x3/ 40 (lcm)
32+15/40 = 47/40
47/40 = 1.175
ans = 1.175
hope that helps u out