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Ex 12.2, 2 (vii) - Chapter 12 Class 7 Algebraic Expressions
Last updated at March 16, 2023 by Teachoo
Ex 12.2
Ex 12.2, 1 (i)
Ex 12.2, 1 (ii) Important
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 You are here
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, 2 Add: (vii) 4x2y, – 3xy2, –5xy2, 5x2y 4x2y + (– 3xy2) + (– 5xy2) + 5x2y = 4x2y – 3xy2 – 5xy2 + 5x2y = 4x2y + 5x2y – 3xy2 – 5xy2 = x2y (4 + 5) + xy2 (–3 – 5) = x2y (9) + xy2 (–8) = 9x2y – 8xy2
