Question

x ² + 3 x - 180 in breaking the middle term ​

Answer 1

Answer:

x²+3x+180

x(x+15)+12(x+15)

(x+15)(x+12)

x=-15,x=-12

Answer 2

Answer:

${x}^{2} + 3x - 180$

$= {x}^{2} + 15x - 12x - 180$

$= x(x + 15) - 12(x + 15)$

$= (x + 15)(x - 12)$

Therefore, x= -15,12.

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