Question

SUBTRACT-
1) 4a-7ab+3b+12 from 12a-9ab+5b-3
2) 3xy-5yz-7zx from 5xy-2yz-2zx+10xyz

NOTE: The first term shall be subtracted from the second.

Answer 1

Step-by-step explanation:

3. Rewrite the following sentences by changing the verbs according to

the tenses mentioned in the brackets.

a. At high tide, the water will reach this ledge. (Change to Simple

Present tense)

b. I attended badminton class every day. (Change to Future Continuous

tense)

c. John plays the piano. (Change to Present Perfect tense)

d. I shall check out by next week. (Change to Future Perfect tense)

e. The sun will set at 6 p.m. (Change to Simple Past tense)

f. I shall lie on a sofa. (Change to Past Perfect tense)

Correct answer will be brainliest and don't spoil the question, I need the answers in 15 min!

Answer 2

Answer:

$1)(12a - 9ab + 5b - 3) - (4a - 7ab + 3b + 12) \\ = 12a - 9ab + 5b - 3 -4a + 7ab - 3b - 12 \\ = 8a - 2ab + 2b - 15 \\ \\ 2)(5xy - 2yz - 2zx - 10xyz) - (3xy - 5yz - 7zx) \\ = 5xy - 2yz - 2zx - 10xyz -3xy + 5yz + 7zx \\ = 2xy + 3yz + 5zx - 10xyz$