Question

resolva
y= -3 x +1
y= -(-3)^2 -3 (-3) + 1

Answer 1

Se y = -(-3)² - 3 . (-3) + 1    e   y=-3x+1 ,  teremos que -(-3)² - 3 . (-3) + 1= -3x + 1  :

$-(-3)^2 - 3 . (-3) + 1= -3x + 1 \\- (9) - (-9) + 1 = -3x + 1\\-9 + 9 + 1 = -3x + 1\\1 = -3x + 1\\-3x = 1-1\\-3x = 0\\x=  0$