SOLUTION: d...ch5 Problem #18 Write in simplest form (3x^5)/(15x^12) Problem #19 Subtract. Express your answer in simplest form (3x)/(18) minus (x)/(18) Problem #20

Algebra.Com
Question 74779: d...ch5
Problem #18
Write in simplest form
(3x^5)/(15x^12)
Problem #19
Subtract. Express your answer in simplest form
(3x)/(18) minus (x)/(18)
Problem #20
Divide
(x^2-49y^2)/(6x^2+42y) divided by (x^2-7xy)

Answer by checkley75(3666)   (Show Source): You can put this solution on YOUR website!
# 18) 3x^5/15x^12=1/5x^7
# 19) 3x/18-x/18=(3x-x)/18=2x/18=x/9
#20) [(x^2-49y^2)/(6x^2+42y^2)]/(x^2-7xy)
[(x-7y)(x+7y)/6(x^2+7y^2)]/x(x-7y)
[(x-7y)(x+7y)/6(x^2+7y^2)]/x(x-7y) now invert the denominator term & multiply
[(x-7y)(x+7y)x(x-7y)]/6(x^2+7y^2)
x(x-7y)(x+7y)(x-7y)/6(x^2+7y^2)

RELATED QUESTIONS

Write in simplest form... (answered by checkley75)
Write in simplest form. 3x^5 --------... (answered by checkley75)
Add and express your answer in simplest form: x/18+3x/18 I came up with 2x/9 What did I... (answered by bucky)
Perform the indicated operation.express your answer in simplest form... (answered by rothauserc,MathTherapy)
Subtract. Express your answer in simplest form. 4x/x-3 -... (answered by elima)
Subtract. Express your answer in simplest form. 2/5 - y/y-2 Thank... (answered by sdmmadam@yahoo.com)
Subtract. Express your answer in simplest form. 2/5-y/y-2 Thank... (answered by alka)
Subtract. Express your answer in simplest form. 2/5 -... (answered by scianci)
Subtract. Express your answer in simplest form. 2/5 - (y/y-2) (answered by stanbon)