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type in the variable "x" in answer box if needed 9(5x + 3) put sign in with the number + type in the variable "x" in answer box if needed -8(4x - 7) put sign in with the number + type in the variable "x" in answer box if needed -7(3x+1) +6(4x-2) put sign in with the number + type in the variable "x" in answer box if needed 8(x-2) - 4(7x-1) put sign in with the number + type in the variable "x" in answer box if needed (x+7) (x-9) x 2 put sign in with the number + + (x - 3) (x- 4) type in the variable "x" in answer box if needed x 2 + put sign in with the number + (2x + 7) (3x- 1) type in the variable "x" in answer box if needed 2 + put sign in with the number + (2x + 3) (6x+ 5) type in the variable "x" in answer box if needed 2 + put sign in with the number + (4x + 5) + (2x+ 8) type in the variable "x" in answer box if needed put sign in with the number + (9x - 7) - (6x- 5) type in the variable "x" in answer box if needed put sign in with the number + (3x - 9) + (-8x- 4) type in the variable "x" in answer box if needed put sign in with the number + (x + 6) - (-3x+ 2) type in the variable "x" in answer box if needed put sign in with the number + c= a= b= x2 - 8x + 15 quadratic formula -4ac = -b = 2a = b2 = x1 = x2 = x1= -b + b2 - 4ac 2a x2= -b - b2 - 4ac 2a √ √ c= a= b= 5x2 - 12x + 4 quadratic formula -4ac = -b = 2a = b2 = x1 = x2 = x1= -b + b2 - 4ac 2a x2= -b - b2 - 4ac 2a √ √ c= a= b= 10x2 - 3x - 4 quadratic formula -4ac = -b = 2a = b2 = x1 = x1= -b + b2 - 4ac 2a x2 = x2= -b - b2 - 4ac 2a √ √ |