Quadratic Functions, Equations and Inequalities

Quadratic Functions, Equations and Inequalities

Secondary 2

Expand and simplify.

  1. \((x+y)(x+2y)-x(x+3y)\)

  2. \((x-2y)(3x+y)-(2x+y)(x-3y)\)

Similar questions are unavailable for this question.
Answer:(a) \(2y^2\). (b) \(x^2+y^2\).

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