Question

x²-x-72 (splitting middle term)​

Answer 1

here is ur answer mate......

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thank u ....!!

Answer 2

${x }^{2} - x - 72 = 0 \\ {x}^{2} - 9x + 8x - 72 = 0 \\ x(x - 9) + 8(x -9) = 0 \\ (x + 8)(x - 9) = 0 \\ x = - 8 \: or \: 9$