Answer:
7y(-4×+5).
Step-by-step explanation:
7y(-4× + 5).
First step is to open the bracket with the outside number. Now we have;
(7y × -4x)+(7y × 5).
Now, we have;
-28xy + 35y//
NB; + × - = -
D
just did it
C or the 3rd one
(10x−7)^2
(10x+7)(10x-7)
i stead of making it a "100" since they are both the same but positive and negative () and bring it to the power of 2
3x^2 + x -12 + 15/(x^2+4)