Answer:
-4x+8
PEMDAS
MULTIPLICTION
2 times -1 = -2 hence -2x
ADDITION
You cant add a constant with a variable
SUBTRACTION
left with -2x+8-2x
-2 minus -2 = -4
add your x back in,
-2(x²+x-4)
Explanation:
(2x)(-x)+8-2x
= -2x(x) + 8 -2x
= -2x² - 2x + 8
= -2(x²+x-4)
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