2x 2 10x 2 0 July 8, 2019 16 32 64 128 2x 2 10x 0 дискриминант 2x 2 10x 0 quadratic formula 2x 2 10x 0 решу огэ 2x 2 10x 0 factor 2x 2 10x 0 solve by factoring 2x 10