How do you solve #9x^2 -2x +4=10x#?

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How do you solve #9x^2 -2x +4=10x#?

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Answer 1 · 2018-03-04T16:21:44

#x=3/2#

Explanation:

We know that, #color(red)(a^2-2ab+b^2=(a-b)^2)#
So,
#9x^2-2x+4=10x#
#rArr9x^2-12x+4=0#
#rArr(3x)^2-2(3x)(2)+(2)^2=0#
#rArr(3x-2)^2=0#
#rArr(3x-2)=0#
#rArr3x=2#
#x=3/2#

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How do you solve #9x^2 -2x +4=10x#?

1 Answer

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