IP1U4 SWI (Algebraic Identities) Q16

IP1U4 SWI (Algebraic Identities) Q16

IP 1

Expand and simplify

\((4a-b+3)(4a-b-3)\)
\((a+b+c)(a+b-c)\)
\((3x-y)^2-(2x+y)^2+5x(y-x)\)
\((2x+3)(3x+2)-6x(x+3)+5x+16\)

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Answer:(i) \(16a^2-8ab+b^2-9\) (ii) \(a^2+2ab+b^2-c^2\) (iii) \(-5xy\) (iv) \(22\)

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