Warning: Declaration of EasySocialControllerMain::checkToken() should be compatible with Joomla\CMS\MVC\Controller\BaseController::checkToken($method = 'post', $redirect = true) in /home/calcool/domains/calcoolacademy.com/public_html/administrator/components/com_easysocial/includes/controller.php on line 89
Warning: count(): Parameter must be an array or an object that implements Countable in /home/calcool/domains/calcoolacademy.com/public_html/administrator/components/com_easysocial/includes/privacy/privacy.php on line 335
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ที่ได้ (1+x) เพราะ จาก(x^2+x^3) ดึงตัวร่วม x^2ออกมาครับ เลยได้ x^2(1+x) (เผื่อมีใครสงสัยเพิ่ม)