Question 151078
Remember the order of precedence of operations: Parentheses, Exponentiation, Multiplication/Division, Addition/Subtraction (PEMDAS). 

{{{3.2(4.6-2^3)-1=3.2(4.6-highlight(8))-1}}}
{{{3.2(4.6-2^3)-1=3.2(highlight(-3.4))-1}}}
{{{3.2(4.6-2^3)-1=highlight(-10.88)-1}}}
{{{3.2(4.6-2^3)-1=highlight(-11.88)}}}
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{{{11((25-8.7)-14)=11((highlight(16.3)-14))}}}
{{{11((25-8.7)-14)=11(highlight(2.3))}}}
{{{11((25-8.7)-14)=highlight(25.3)}}}