Question

+ 2yz
+
z2
1. Simplify combining like terms:
(ii) - Z2 + 13z2 - 5z + 723 – 15z
- y2
(1) 21b-32 + 76 – 200
EXERCISE 12.2
m 30ab + 12b + 14a.
+
(ii) p - (p - 9)-9-(q-p)
(iv) 3a - 2b – ab – (a - b + ab) + 3ab + b - a
(v) 5x²y – 5x2 + 3yx – 3y2 + x2 - y2 + 8xy? – 3y?
(vi) (3y2 + 5y – 4) – (8y - y2 – 4)
b - 18a)
ab + 10b + 18a
b + 14a + 18a
2. Add:
low the other with the like
(1) 3mn, - 5mn, 8mn, - 4mn
(ü) t-Stz, 3tz – z, - t
(ii) - 7mn + 5, 12mn + 2, 9mn - 8, -2mn – 3
GV atb-3, b - at3, a-b+ 3
(v) 14x + 10y - 12xy - 13, 18 - 7x - 10y + 8xy, 4xy
(vi) 5m - 7n, 3n - 4m + 2, 2m – 3mn - 5
(vii) 4x²y, - 3xy?, -5xy2, 5x’y​

Answer 1

Answer:

ఫజఫఛశపోఫోశఛశఛ ఛశథబతసథషచఫదఠఛషఛషఛఫచషఛఠదషఛబఛషఛషదదఠఛబధ