CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

Factorize by splitting the middle term :
$$9(x-2y)^{2}-4(x-2y)-13$$


Solution

$$9(x-2y)^{2}-4(x-2y)-13$$

$$=9a^{2}-4a-13$$,           where $$a=x-2y$$

$$=9a^{2}-13a+9a-13$$

$$=a(9a-13)+(9a-13)$$

$$=(9a-13)(a+1)$$

$$=(x-2y+1)[9(x-2y)-13]$$

$$=(x-2y+1)(9x-18y-13)$$

Mathematics

Suggest Corrections
thumbs-up
 
0


similar_icon
People also searched for
View More



footer-image