WeBWorK using host: https://webwork-ptx.aimath.org, format: simple seed: 118

Match each equation with the most efficient method of solution.

$6(x-4)^2=120$

$x^2-9x+20=0$

$1.4x^2-6.2x+2.5=0$

$x^2-20x=44$

Factoring
Extraction of roots
Completing the square
Quadratic formula

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