x8x^{8}x8 * x
x2x^{2}x2 + x
x^{2} x x
𝑥^2 − 2 = 7
x³ × x
𝑥
2 − 2 = 7 tiene a 𝑥 = 3
2x x 3x
2x x x
x x x
x + x
