Question

Simplify 2x (x-1)+5 and find its value for x=(-1)

Answer 1

Answer:9

Step-by-step explanation:

2x(x-1)+5

2(-1)(-1-1)+5

-2(-2)+5

4+5

9

Answer 2

HEY USER HERE IS YOUR ANSWER :-

2x (x-1) + 5

2x^2 - 2x + 5 -----------(1)

put x = -1 in equation (1)

we get ,

= 2(-1)^2 - 2(-1) + 5

= 2(1) + 2 + 5

= 2 + 7

= 9

HOpE iT HELPS YOU !!!!........✌️✌️✌️