simplify each expression then evaluate the expressionfor the given value of the variable
-b^2(2b+4)+b^5,b=-1
3c^2+1+(5c)^2,c=3
20-2x^2/x,x=-2
y^-3(2y/9),y=-3
1
Expert's answer
2011-12-09T09:13:35-0500
simplify each expression then evaluate the expression for the given value of the variable 1)& -b^2(2b+4)+b^5, b=-1 -b^2(2b+4)+b^5 = -(-1)^2(2(-1)+4)+(-1)^5 = -1(-2+4)+(-1) = -1(-2+4)+(-1) = -2-1 = -3.
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