Please help solve K^2 - 4k -60=0

asked Nov 11, 2023 232k views

5 votes

Please help solve

K^2 - 4k -60=0

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4 votes

${ \purple{ \sf{k² - 4k -60 =0}}}$

${ \purple{ \sf{k² - 10k + 6k - 60 = 0}}}$

${ \purple{\sf{k(k-10) + 6(k-10)}}}$

${ \purple{\sf{(k+ 6) \: \: (k-10)}}}$

${ \purple{ \boxed{ \red{\sf{k = -6}}}}}$
${ \purple{ \boxed{ \red{\sf{k = 10}}}}}$

Lamia answered Nov 16, 2023

by Lamia

4.9k points

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