Factorisation process we applied bracket to take common term out. Also we apply difference of square of variable. Hence we reduce no of terms in expression. Therefore factorisation and expansion are reverse process.
Transformed trigonometric equation adjusting their amplitude, period, phase shift, and vertical shift. Hence we have to find solution accordingly. Also we need to use GDC. Trigonometric equation
Expansion of two terms with power n, where n∈Z+. Hence Binomial Theorem use. Binomial theorem
The Expansions of Algebraic Expression The formula: a(b+c) = ab + ac Algebraic Expansion. (a+b)(c+d)=ac+ad+bc+bd and (a+b)(a-b)= a ² – b² difference of square (a+b)² = a² + 2ab + b² perfect square (a-b) ²=a²-2ab+b² Expansion
