Answer:
when u multiple it it us 100 but when I added it was 21
so it is 100 or 21 sorry if it is not right
Answer:
6yx2
Step-by-step explanation:
brackets means multiply hence -x×3y×-2x
Answer:
Step-by-step explanation:
2a + 6 / a² -9 = 2(a + 3) / (a² -3²)
= 2(a+3) / (a+3)(a-3) {a²-b² = (a+b)(a-b)
= 2 / (a-3)