Question

EXERCISE 7.1
Use Cordova Smart Class Software on the smart board in class to do Exercise
Factorise :
4. 9y² + by
1. 1292
2. 10xy' - 157'y
3. hry - Guz
5. - 3r3ry - 412
6. ryz + xyz + xyz? 7. 14. - 2800 + 21
8. 121 + 18ab6b
9. 8 - 3y) + 4(x - 3y) 10. 3x (a - 3b) - y (a - 3b)
11. ab + ab + b + 1
12. r + y + xy(x + y) 13. 3xy - 1 + 612 - 2yz
14. ab + y) + xy (+ b) 15. a - a (x + 3b) + 3x 16. (a - b) + (a - b)
17. (+ y) (3a - b) - (2x - 3) (3a - b)
18.40 (50 - 6b) - 120" (50 - 6b)
FACTORISATION US​

Answer 1

Step-by-step explanation:

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