Question

(x+3)(x-11)+(x+6)во второй степени

Answer 1

(х²+3х-11х-33)+(х²+12х+36)=х²-8х-33+х²+12х+36=2х²+4х+3

Answer 2

(х + 3)(х - 11) +(х + 6 )^2 =
= x^2 + 3x - 11x - 33 + x^2  + 12x + 36 =
= 2x^2 +4x  +3