(5a-10-3a+8)(5a-10+3a-8)+132=(2a-2)(8a-18)+132a=16a^2 -16a-36a+36+132a=
16a^2+80a+36;
16 * (-6)^2 +80*(-6) +36 = 576 -480 +36 =132
(5a-10-3a+8)(5a-10+3a-8)+132=(2a-2)(8a-18)+132a=16a^2 -16a-36a+36+132a=
16a^2+80a+36;
16 * (-6)^2 +80*(-6) +36 = 576 -480 +36 =132