Question

Divide ² - 10x +21 by (x-7)

mind the question there us no x near two​

Answer 1

8x

2

−22x−21=0

8x

2

−28x+6x−21=0

4x(2x−7)+3(2x−7)=0

(4x+3)(2x−7)=0

4x−13=0 or 2x−7=0

4x=−3 or 2x=7

x=−3/4 x=7/2