AIR MATH

Math Question

What substitution should be used to rewrite \( 6(x+5)^{2}+5(x+5)-4=0 \) as a quadratic equation?
\( u=(x+5) \)
\( u=(x-5) \)
\( u=(x+5)^{2} \)
\( u=(x-5)^{2} \)

Solution

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