the answer would be A. because two negatives equal a positive
Answer:
72.5
Step-by-step explanation:
Answer: 343y^6+64= (7y^2+4)(49y^4-28y^2+16)
Step-by-step explanation:
That is a difference of two square numbers, we can factorize them easily:
<span>0 =-b^2 + 25
b^2 - 25 = 0
(b + 5)(b - 5) = 0</span>
Answer: -18
Step-by-step explanation:
The answer is - 18 because, -15+9=-6 and -6-12=-18
