The Annexe Project's answer to Charlotte's Secondary 2 Maths question.

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The Annexe Project
The Annexe Project's answer
170 answers (A Helpful Person)
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Charlotte
Charlotte
7 years ago
How the ans get from -36y^2(19_13y) to (1-36y^2) ?
Poh Hee Zhi (Wayne)
Poh Hee Zhi (Wayne)
7 years ago
factorize by common factor (19-13y)