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

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Answer 1 · 2016-01-23T15:23:04

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

#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