Question

Solve the equation (x+2)(x-1)=1

Answer 1

Answer:

1.7

Step-by-step explanation:

x squared = 1+2

x = square root of 3

Answer 2

Step-by-step explanation:

(x+2)(x-1)=1

x²-x+2x - 2 = 1

x² + x - 3 = 0

x= -b±(√b²-4ac)/2a

x = -1±(√1-4×1×3)÷2×1

x= -