Simplify: 20ab -30pb.
Simplifying 3x - 6y - 2x gives:
6y - 5x.
x - 6y.
6x - y.
5x - 6y.
In the expression 2x(5 − 3x) the coefficient of x is:
-6.
16.
4.
10.
The value of the expression x² - y when x = 3 and y = 2 is:
11.
1.
7.
The solution of the inequality 3 - 5x ≥ 18 is:
x ≥ 3.
x ≤ 3.
x ≤ −3.
x ≥ -3.