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Ex 12.2, 1 (ii) - Chapter 12 Class 7 Algebraic Expressions
Last updated at March 22, 2023 by Teachoo
Ex 12.2
Ex 12.2, 1 (i)
Ex 12.2, 1 (ii) Important You are here
Ex 12.2, 1 (iii)
Ex 12.2, 1 (iv) Important
Ex 12.2, 1 (v) Important
Ex 12.2, 1 (vi)
Ex 12.2, 2 (i)
Ex 12.2, 2 (ii) Important
Ex 12.2, 2 (iii)
Ex 12.2, 2 (iv)
Ex 12.2, 2 (v) Important
Ex 12.2, 2 (vi)
Ex 12.2, 2 (vii) Important
Ex 12.2, 2 (viii) Important
Ex 12.2, 2 (ix)
Ex 12.2, 2 (x) Important
Ex 12.2, 3 (i)
Ex 12.2, 3 (ii) Important
Ex 12.2, 3 (iii)
Ex 12.2, 3 (iv)
Ex 12.2, 3 (v) Important
Ex 12.2, 3 (vi)
Ex 12.2, 3 (vii) Important
Ex 12.2, 3 (viii) Important
Ex 12.2, 4 (a)
Ex 12.2, 4 (b) Important
Ex 12.2, 5
Ex 12.2, 6 (a)
Ex 12.2, 6 (b) Important
Transcript
Ex 12.2, 1 Simplify combining like terms: (ii) – z2 + 13z2 – 5z + 7z3 – 15z – z2 + 13z2 – 5z + 7z3 – 15z = 7z3 − z2 + 13 z2 − 5z − 15z = 7z3 + z2 (−1 + 13) – z (5 + 15) = 7z3 + z2 (13 − 1) − z (5 + 15) = 7z3 + z2 (12) − z(20) = 7z3 + 12z2 − 20z
