Question 172558
1a...(2(-4))^3=(-8)^3={{{highlight(-512)}}}
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b....(-3)(-4)^2(3-(3)(-4))=(-3)(16)(15)={{{highlight(-720)}}}
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c....-(3)-(-4)^2-5=-3-16-5={{{highlight(-24)}}}
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d....-2((3)(-4))^2=-2(144)={{{highlight(-288)}}}
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2.a...-5w+9x-8w-4x.....so add the w terms and x terms together
........ {{{highlight(-13w+5x)}}}
b......-4+5y-3+5y+4y......combine y terms and constant terms
......{{{highlight(-7+14y)}}}