SOLUTION: If f(x)=(x^2-5x+4) & g(x)=x^2+4x-5, which is the first incorrect step in simplifying 3f(x)-g(x)? Step 1: 3(x^2-5x+4)-(x^2+4x-5) (Substitution) Step 2: 3x^2-15x+12-x^2-4x+5 (Dis

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: If f(x)=(x^2-5x+4) & g(x)=x^2+4x-5, which is the first incorrect step in simplifying 3f(x)-g(x)? Step 1: 3(x^2-5x+4)-(x^2+4x-5) (Substitution) Step 2: 3x^2-15x+12-x^2-4x+5 (Dis      Log On


   

Question 612740: If f(x)=(x^2-5x+4) & g(x)=x^2+4x-5, which is the first incorrect step in simplifying 3f(x)-g(x)?
Step 1: 3(x^2-5x+4)-(x^2+4x-5) (Substitution)
Step 2: 3x^2-15x+12-x^2-4x+5 (Distributive Property)
Step 3: 2x^2-11x+17 (Combine Similar Terms)
A.Step 1
B.Step 2
C.Step 3
D.No error
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Step 3: -15x - 4x = -19x.