MATHEMATICS
(viii) 3p²q2 – 4pq + 5, - 10 pq?, 15 + 9pq + 7p
(ix) ab – 4a, 4b – ab, 4a – 4b
(x) x2 - y2 – 1, y2 – 1 – x2, 1 – x2 - y2
3. Subtract:
(i) _5y2 from y2
(ü) 6xy from –12xy
(iu) (a - b) from (a + b)
(iv) a (b – 5) from b (5 – a)
(v) -m2 + 5mn from 4m2 – 3mn + 8
(vi) – x2 + 10x – 5 from 5x – 10
(vii) 5a? – 7ab + 5b2 from 3ab - 2a– 262
(viii). 4pq – 5q2 – 3p2 from 5p2 + 372 – pq
4. (a) What should be added to x2 + xy + y2 to
(b) What should be subtracted from 2a + 8b
5. What should be taken away from 3x
- x2 - y2 + 6xy + 20?
6. (a) From the sum of 3x – y + 11 and - y - 1
(b) From the sum of 4 + 3x and 5 – 4x + 2.
-X2 + 2x + 5.
Answers
Answered by
2
Answer:
ANSWER
ab−4a,4b−ab,4a−ab=ab−4a+4b−ab+4a−ab
=−4a+4a+4b−4b+ab−ab
=0+0+0=0.
Similar questions