AC Lim's answer to Isaac's Secondary 1 Maths Singapore question.

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AC Lim
Ac Lim's answer
12951 answers (A Helpful Person)
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Hope this helps
Isaac
Isaac
2 years ago
Why remove the square root in the second step?
AC Lim
AC Lim
2 years ago
We want to have -3y² and move to left hand side later

Purpose to keep all y² at one side