Question

$x {}^{2} + 8x - 144$
completing quadratic equation by factorisation
method​

Answer 1

Answer:

x²+8x-144

=x×x+8x-144

=x×9x-144

144=9x²

144/9=x²

16=x²

√16=x²

4=x

Step-by-step explanation:

is ur answer i hope it helped