# SOLUTION: I need help with these two problems. 1. 7x^3-14x^2+21x over 7x (meaning its a line under the first half of the problem and the 7x is under that) 2. 4x^3-15x^2-190x+9 over x-9

Algebra ->  Algebra  -> Exponents -> SOLUTION: I need help with these two problems. 1. 7x^3-14x^2+21x over 7x (meaning its a line under the first half of the problem and the 7x is under that) 2. 4x^3-15x^2-190x+9 over x-9      Log On

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 Question 210955: I need help with these two problems. 1. 7x^3-14x^2+21x over 7x (meaning its a line under the first half of the problem and the 7x is under that) 2. 4x^3-15x^2-190x+9 over x-9 ( same thing here the problem is underline and the x-9 is under that) Answer by stanbon(57967)   (Show Source): You can put this solution on YOUR website!1. 7x^3-14x^2+21x over 7x (meaning its a line under the first half of the problem and the 7x is under that) --- Factor the numerator and the problem becomes: (7x(x^2-2x+3))/(7x) Cancel the 7x that is common to numerator and denominator. = x^2-2x+3 ================================================= 2. 4x^3-15x^2-190x+9 over x-9 ( same thing here the problem is underline and the x-9 is under that) --- Factor the numerator and the problem becomes: [(x-9)(4x^2+21x-1)]/(x-9) Cancel the (x-9) that is common to numerator. = 4x^2+21x-1 ============================= Cheers, Stan H.