1) m^3+27n = m+3√nm+3√nm+3√nm2−3√mn+9nm^2-3√mn+9nm2−3√mn+9n 2) x^3-64xy^2 = xx2−64y2x^2-64y^2x2−64y2 = xx−8yx-8yx−8yx+8yx+8yx+8y 3) -3a^2+18a-27 = -3a2−6a+9a^2-6a+9a2−6a+9 = -3a−3a-3a−3^24) 2ab+10b-2a-10 = 2ba+5a+5a+5-2a+5a+5a+5 = a+5a+5a+52b−22b-22b−2 = 2a+5a+5a+5b−1b-1b−1 5) a^4-16 = a2−4a^2-4a2−4a2+4a^2+4a2+4 = a+2a+2a+2a−2a-2a−2a2+4a^2+4a2+4
1) m^3+27n = m+3√nm+3√nm+3√nm2−3√mn+9nm^2-3√mn+9nm2−3√mn+9n 2) x^3-64xy^2 = xx2−64y2x^2-64y^2x2−64y2 = xx−8yx-8yx−8yx+8yx+8yx+8y 3) -3a^2+18a-27 = -3a2−6a+9a^2-6a+9a2−6a+9 = -3a−3a-3a−3^2
4) 2ab+10b-2a-10 = 2ba+5a+5a+5-2a+5a+5a+5 = a+5a+5a+52b−22b-22b−2 = 2a+5a+5a+5b−1b-1b−1 5) a^4-16 = a2−4a^2-4a2−4a2+4a^2+4a2+4 = a+2a+2a+2a−2a-2a−2a2+4a^2+4a2+4