Question

(x9)(-x10)(x11)(-x12)

please solve this question

Answer 1

Answer:

$x^42$

Step-by-step explanation:

$x^9\times-( x^10)\times x^11\times -(x^12)$

$-\times-=+$

So cancel two minus signs.....

$\implies x^9\times x^10\times x^11 \times x^12$

$\implies x^(9+10+11+12)$

$\implies x^42$

Hope it helps you

_____________________________________________________________________

Answer 2

here your answer is
x42
thanks