Simplify: 15ax² / 5x
3ax².
3ax.
5ax².
5ax.
In the expression 2x(5 − 3x) the coefficient of x is:
10.
-6.
4.
16.
Simplify: 20ab -30pb.
Given that x = −4, y = 9 the value of y - x² is:
13.
7.
17.
-7.
Simplify: (a + b)².
a² + (ab)² + b².
a² + 2ab + b².
2a + 2ab + 2b.
