Simplifying the expression "(2x+6)(-4x-4)" is done by expanding the brackets using the distributive property:
(2x+6)(-4x-4) = 2x(-4x) + 2x(-4) + 6(-4x) + 6(-4)
= -8x^2 - 8x - 24x - 24
= -8x^2 - 32x - 24
simplify left bracket, 2, x, plus, 6, right bracket, left bracket, minus, 4, x, minus, 4, right bracket, .(2x+6)(−4x−4)
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