Question

What must be added to 1+ 2x -32to get 2-x –1

Answer 1

Answer:

Step-by-step explanation:According to the problem,

Let A should be added to1+2x−3x

2

 to get result,

1+2x−3x

2

+A=x

2

−x−1

A=x

2

−x−1−(1+2x−3x

2

)

A=x

2

−x−1−1−2x+3x

2

A=4x

2

−3x−2

​

Therefore, 4x

2

−3x−2 added to the equation.