1. Use Difference of squares: a^2-b^2=(a+b)(a-b)
(x+k)(x-k)=0
2. Solve for x and k
x=+-k
k=+-x
Answer:
-38
Step-by-step explanation:
1. Isolate y to one side.
y+12=-26
subtract 12 to both sides
y=-38
Answer:
-a - 8
Step-by-step explanation:
2a - 5 - (3a + 3)
2a - 5 - 3a - 3
-a - 8
I hope this helps!