Engineering Board Exam Reviewer · Quadratic Equations · medium

Find the quadratic equation whose roots are 23 and - 34.

1. 12x2+x-6=0
2. 12x2-x-6=0
3. 12x2+x+6=0
4. 6x2+x-12=0

Answer

A. 12x2+x-6=0

Solution

(3x-2)(4x+3)=0 12x2+9x-8x-6=12x2+x-6=0.

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