Summative Assessment for the cross curricular unit Flow SwiftKey
1)(-3x+4) (-4x-5)+ 4x = -20
12x^2+15x-16x+4x=0
12x^2+3x=0
x=0
2)(-5x + 2) (-5x - 2) + 4 x = -4.
25x^2-4+4x=-4
25x^2+4x=0
Summative Assessment for the cross curricular unit Flow SwiftKey
1)(-3x+4) (-4x-5)+ 4x = -20
12x^2+15x-16x+4x=0
12x^2+3x=0
x=0
2)(-5x + 2) (-5x - 2) + 4 x = -4.
25x^2-4+4x=-4
25x^2+4x=0
x=0