Question

x2+9x+144=0 by factorisation​

Answer 1

Answer:

$2x + 9x + 144 = 0 \\ 2x + 9x = - 144 \\ 2x + x = - 144 - 9 = - 153 \\ 3x = - 153 \\ x = - 153 \div 3 \\ x = - 51$

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