Question

8. What should be added to 6a? – 562 to get 4a? – 3ab + 362? 9. What should be subtracted from 19a + 6a²b2 to get 4a - 2a2b2 - 5?​

Answer 1

Answer:

Correct option is

B

−a

2

+ab+b

2

−2

Let X be subtracted from 3a

2

−6ab−3b

2

Then,

3a

2

−6ab−3b

2

−1−X=4a

2

−7ab−4b

2

+1

x=3a

2

−6ab−3b

2

−1−(4a

2

−7ab−4b

2

+1)

x=3a

2

−6ab−3b

2

−1−4a

2

+7ab+4b

2

−1

x=−a

2

+ab+b

2

−2

Step-by-step explanation:

I hope it's help you dear