2(-1)^4-(-1)^3-42(-1)^2+16(-1)+160

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Guest Dec 12, 2014

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Best Answer

2(-1)^4-(-1)^3-42(-1)^2+16(-1)+160 = 105

CPhill Dec 12, 2014

CPhill · Answer 1 · 2014-12-12T07:12:48

2(-1)^4-(-1)^3-42(-1)^2+16(-1)+160 = 105

geno3141 · Answer 2 · 2014-12-12T05:16:05

(-1)² = 1

(-1)³ = -1

(-1)⁴ = 1

2(-1)^4-(-1)^3-42(-1)^2+16(-1)+160

= 2(1) - (-1) -42(1) +16(-1) + 160

= 2 + 1 - 16 + 160

= ...