Translating subtraction statements

Translating subtraction statements

Secondary 2
TGM Original Questions
  1. Subtract the product of \(3y-2x\) and \(x+4y\) from \(5x^2+7xy+12y^2\).
  2. What expression must the product \((5a-2b+1)(a-3b)\) be subtracted from to give \(8a^2+4ab+6b^2+3\)?

Solution:

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Answer:(a) \(7x^2+12xy\); (b) \(13a^2-13ab+12b^2+a-3b+3\).

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