Eric Nicholas K's answer to Skr's Secondary 3 A Maths Singapore question.

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
Sorry for the 45 minutes delay in my response!

Here are my answers.

Here' we pretend bx + cx2 is a single term, so that we can express a + bx + cx2 as the sum of two terms.