(x2 – x - 132) এর গুণনীয়কগুলি নির্ণয় করুন?

To factorise x² − x − 132, find two numbers whose product is −132 and whose sum is −1 (the coefficient of x). These are −12 and +11, since −12 × 11 = −132 and −12 + 11 = −1. So x² − x − 132 = (x − 12)(x + 11).