Question

EXERCISE 7C
Factorise:
1. x2 +8x +16
2. x2 +14x +49
3.1 + 2x + x
5. x² + bax +9a?
6. 4y2 + 20y +25
4. 9+62 +22
1
7. 36a² + 36a +9
8. 9m² +24m +16
10. 49a² +84 ab +36b2
12.12la? - 88ab +16b
11. p? -10 p +25
14. 9y2 - 12y +4
15. 16x2 – 24x +9
13. 1-6x +9x?
18. m* +2m?n? +n*
17. a²b2 - 6abc +9c2
16. m² - 4mn +4n?
19. (l + m)2 - 4lm​

Answer 1

Answer:

x^2+4x+4x+16

(x+4)(x+4)