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type in the variable "x" in answer box if needed 7(5x + 3) put sign in with the number + type in the variable "x" in answer box if needed -6(4x - 7) put sign in with the number + type in the variable "x" in answer box if needed -4(3x+1) +8(4x-2) put sign in with the number + type in the variable "x" in answer box if needed 6(x-2) - 5(7x-1) put sign in with the number + type in the variable "x" in answer box if needed (x+4) (x-7) x 2 put sign in with the number + + (x - 4) (x- 9) type in the variable "x" in answer box if needed x 2 + put sign in with the number + (3x + 7) (8x- 5) type in the variable "x" in answer box if needed 2 + put sign in with the number + (2x + 5) (3x+ 4) type in the variable "x" in answer box if needed 2 + put sign in with the number + (6x + 7) + (2x+ 8) type in the variable "x" in answer box if needed put sign in with the number + (4x - 7) - (10x- 4) type in the variable "x" in answer box if needed put sign in with the number + (17x - 9) + (-8x- 5) type in the variable "x" in answer box if needed put sign in with the number + (2x + 6) - (-3x+ 8) type in the variable "x" in answer box if needed put sign in with the number + c= a= b= x2 - 11x + 28 quadratic formula -4ac = -b = 2a = b2 = x1 = x2 = x1= -b + b2 - 4ac 2a x2= -b - b2 - 4ac 2a √ √ c= a= b= 5x2 - 3x - 2 quadratic formula -4ac = -b = 2a = b2 = x1 = x2 = x1= -b + b2 - 4ac 2a x2= -b - b2 - 4ac 2a √ √ c= a= b= 2x2 - 3x - 20 quadratic formula -4ac = -b = 2a = b2 = x1= -b + b2 - 4ac 2a x2 = x2= -b - b2 - 4ac 2a x1 = √ √ |