BETTY L. BAKER, Developing a MEANINGFUL ALGORITHM for FACTORING QUADRATIC TRINOMIALS, The Mathematics Teacher, Vol. 62, No. 8 (DECEMBER 1969), pp. 629-631 ...
ROBERT C. McLEAN JR., A "long" method of factoring quadratic trinomials, The Mathematics Teacher, Vol. 52, No. 8 (DECEMBER 1959), pp. 619-620 ...
Sometimes we have to factorise quadratics such as 4\({x^2}\) - 19\({x}\) + 12. These are made much more difficult by the fact that there is a number (4) in front of the \({x^2}\) term (we say that the ...
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