随意

随意 Pop Quiz

Solve the following quadratic equation. 3x(x+1)= (2-x)(x+3) Give your answer correct to four significant figures.
Choose the right answer:
Option A x= 0.83 或者 x= -1.82
Option B let me ask my maths teacher about this first.....
Option C x= 0.8229 或者 x= -1.823
Option D undefined
 OkazakiDaisuke posted 一年多以前
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