Answer:
i think it is a but there are algebra caculators online
Step-by-step explanation:
1.5
1/2x minus 5/2x = -2x
-3/-2=1.5
x=1.5
(4c - 3d)(3c + d) =
= 12c² + 4cd - 9cd - 3d² =
= <u>12c² - 5cd - 3d²</u>
1. true
2. false
3. false
4. true
4k^3 - k^2 - 2k
-k * -4k^2 = 4k^3
-k * k = -k^2
-k * 2 = -2k
