Answer:
2a+8 (square root b)................. third option
-2.1 because each dash represents 0.1
Answer:
x = -9, -3
Step-by-step explanation:
x^2 + 12x + 27 = 0
We need 2 numbers whose product is + 27 and whose sum is + 12. These are 3 and 9. So the factors are:-
(x + 3)(x + 9) and this = 0
So (x + 3) = 0 or x + 9 = 0
x = -3 , -9
Answer:
12
Step-by-step explanation:
Hope this helps
Answer:
3
Step-by-step explanation:
