THE EQUATION IS 26 + 57 = X BECAUSE YOU ADD THE 2 NUMBERS TO GET THE VALUE WHICH IS X.
Answer:

Step-by-step explanation:
ANSWER

EXPLANATION
From the Pascal's triangle,
The coefficients are :
1, 5, 10,10, 5,1
Because of the negative sign, the expansion will alternate sign.

We now put y=5 into the expansion to get,


Answer:
umm the answer is 18x+2y²