f(-5)=-1.3(-5)*1.3(-5)+3.4(-5)+1.2

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Solution for f(-5)=-1.3(-5)*1.3(-5)+3.4(-5)+1.2 equation:


f(-5)=-1.3(-5)*1.3(-5)+3.4(-5)+1.2

We simplify the equation to the form, which is simple to understand 
f(-5)=-1.3(-5)*1.3(-5)+3.4(-5)+1.2

Reorder the terms in parentheses
+(-5f)=-1.3*(-5)*1.3*(-5)+3.4*(-5)+1.2

Remove unnecessary parentheses
-5f=-1.3+*(-5+)+*1.3+*(-5+)+3.4+*(-5+)+1.2

Reorder the terms in parentheses
-5f=+(+6.5)*1.3*(-5)+3.4*(-5)+1.2

Reorder the terms in parentheses
-5f=+(+8.45)*(-5)+3.4*(-5)+1.2

Reorder the terms in parentheses
multiplication of parentheses
-5f=+(-42.25)+3.4*(-5)+1.2



Remove unnecessary parentheses
-5f=-42.25+3.4+*(-5+)+1.2

Reorder the terms in parentheses
-5f=-42.25+(-17)+1.2

Remove unnecessary parentheses
-5f=-42.25-17+1.2

We move all terms containing f to the left and all other terms to the right. 
-5f=-42.25-17+1.2

We simplify left and right side of the equation. 
-5f=-58.05

We divide both sides of the equation by -5 to get f. 
f=11.61

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