g + 45 = 97
4/7 OF 21
95 = t + 53 solve for t
x^4-3x^2+x+1=0
4 - (-12) + (-27)
x^5-x-3=0
x² - 2XY + Y³
x=2 y=-3
x² - 2XY + Y³ cuando x=2 &y=-3 es:
x^4+2x^2 = 4x^2+6
ln(2)*x^2*z