What is the standard form of y= 3x(x-3)+(2-x)(x-4/5) ?

1 Answer
Jan 23, 2016

10x^2-31x-5y-8=0

Explanation:

y=3x(x-3)+(2-x)(x-4/5)

Use the distributive property

y=3x^2-9x+2x-8/5-x^2+(4x)/5

y=2x^2-31/5x-8/5

Then multiply the whole equation with 5

(y=2x^2-31/5x-8/5)*5

5y=10x^2-31x-8

5y-10x^2+31x+8=0

10x^2-31x-5y-8=0 And this is the final standard answer