Answer:
Subtraction property of equality
Explanation:
5(-4x^2 +4)+ 1 = -x^2 +6 Given
-1 -1
= 5(-4x^2 +4) = -x^2 +5 Subtraction property of equality
Emily uses subtraction on both sides the equation to even the equation and getting rid of a like term.
Hope this helps :)