Question

Simplify x(2x – 1) + 5 and find its value at x = –4.

Answer 1

Answer:

−4(−8−1)+5

=41

hope this helps you

Answer 2

Answer:

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⇨x (2x-1) + 5

⇨2x^2 - x + 5

⇨2(-2)^2 - 2 + 5

⇨2(4)-2+5

⇨8 - 2 + 5

⇨6 + 5

⇨= 11

Ans = 11