sinx-cosx=0
find x
x plus 4 plus 3 times x minus 2 = 22
x plus 4 plus 3 times x minus = 22
find the derivative of (1+x^2)^3/2 by first principal
(3xy - x + y) + (-3y + 2x -xy) - (5x + 9y - 10xy)
2x+2=3x-3
x-9y=10
3y²=4x+7
9 times x minus 15 plus x = 15
2 and 1/2 x 1 and 2/3
