Question

X ⋅ x = ?

2x
x2
x(x + 2)
x + 2

Answer 1

x^2

Explanation:

Answer 2

x^2

Explanation:

`x\cdot x \\\\\mathrm{Apply\:exponent\:rule}:\quad \:a^b\cdot \:a^c=a^(b+c)\\\\xx=\:x^(1+1)\\\\\mathrm{Add\:the\:numbers:}\:1+1=2\\\\=x^2`