The number which can be added to -3 to give 15 is:
18.
12.
-18.
-12.
The H.C.F of 2³ × 3 and 2 × 3² × 5 is:
2 × 3 × 5.
2 × 3.
2⁴ × 3² × 5.
2³ × 3².
Simplifying 3x - 6y - 2x gives:
x - 6y.
6y - 5x.
5x - 6y.
6x - y.
Simplifying 8a + 3 + 5 - 3a gives:
8a+ 5.
5a+8.
5a + 5.
11a +8.
Given the expression 2xy and 6x²y, the common factor is:
2y².
2xy.
2x²y.
2x².
