How do you divide (x^2 + 7x – 6) / (x-6) using polynomial long division?

1 Answer
Aug 5, 2018

(x^2+7x-6)=(x-6)(x+13)+72

Explanation:

Here ,

Dividend :color(blue)(x^2+7x-6) and divisor : color(red)(x-6

So ,
color(white)(..................................)ul(x+13color(white)(.........))larrquotient
color(white)(..................)(x-6) | x^2+7x-6
color(white)(......)color(violet)((x-6)*xtocolor(white)(......)ul(x^2-6x)color(white)(.......)lArr"subtract"
color(white)(........................................0)13x-6
color(white)(..........)color(violet)((x-6)*13tocolor(white)(.......)ul(13x-78)color(white)(.......)lArr"subtract"
color(white)(....................................................)color(green)(72color(white)(.........)larr"Remainder"
Hence ,

(x^2+7x-6)=(x-6)(x+13)+72

Quotient :q(x)=x+13 "and Remainder " :r(x)=72