Math, asked by Anonymous, 4 months ago

Simplify: x(2x – 1) + 5 and find its value at x = -2.

Answers

Answered by shivamkumarsingh81

2

Answer:

x(2x-1)+5

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

-2(-4-1)+5

-2(-5)+5

10+5

15

Answered by Anonymous

1

Step-by-step explanation:

=x(2x-1)+5

=2x^2-x+5

=2x^2=2*-2*-2=-8

=-x=-(-2)=2

=-8+2+5

= -1

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