It looks like ∆ is defined as
<em>a</em> ∆ <em>b</em> = (<em>a</em> + <em>b</em>)² + 5
If that's the case, then
1 ∆ (-4) = (1 + (-4))² + 5 = (-3)² + 5 = 9 + 5 = 14
Answer:its gucci baby
Step-by-step explanation:
Answer:
x=-5
-4(x-5)=40
-4x+20=40
-4x=40-20
x=20/-4
