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Ex 12.2, 1 (vi) - Chapter 12 Class 7 Algebraic Expressions
Last updated at March 30, 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) You are here
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: (vi) (3y2 + 5y – 4) – (8y – y2 – 4) (3y2 + 5y – 4) – (8y – y2 – 4) = 3y2 + 5y – 4 – 8y + y2 + 4 = 3y2 + y2 + 5y – 8y – 4 + 4 = y2 (3 + 1) + y (5 – 8) + (– 4 + 4) = y2 (4) + y (–3) + (0) = 4y2 – 3y
