$$(2x^2 + 8x - 6) - (4x^2 + 7x)$$ The given expression is equivalent …

Question

Prompt

(2 x^{2} + 8 x - 6) - (4 x^{2} + 7 x)

The given expression is equivalent to

- 2 x^{2} + a x - 6

, where

a

is a constant. What is the value of

a