Please help

Solve the inequality

10 + x^2 > x(x - 2)

Printable View

- Sep 30th 2008, 09:32 AMrandomised[SOLVED] Inequalities
Please help

Solve the inequality

10 + x^2 > x(x - 2) - Sep 30th 2008, 09:39 AMgtozoom
10+x^2 > x(x-2)

distribute the x on the right side yeilds

10+x^2 > x^2-2x

x^2 's cancel out

10 > -2x

divide by -2 and flip the thingy

10/-2 < x

x > -5