Math, asked by mohimohi1610, 11 months ago

1. Factorise the following:
i) ab - 3b + 3c - ac
ii) y - 8y² + y-8
iii) 12a - 30
2. Factorise the following:
i) 9x - 4y?
ii) 36 - 225 y?
iv) 2x2 - 40x + 200
v) 4x2 - 28x +49
vi) 912 + 24 pt +16p?
lii) 8124 - 256y
iv) -49a+64ab2
3. Factorise the following:
i) x2 + 7x+12
ii) a² + 13a +42
iii) z? - 62-16
4. Divide
i) (x² + 4x-21)=(x-3)
5. Evaluate using suitable identity:
i) (78) - (88)
i) (8.4) -(1.6)
iv) x? - 19x +90
v) y² +12y-45
m² +34mn-72n

iii) (104)
iv) (97)​

Answers

Answered by Drishan414
1

Answer:

12345678900987654321

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