Question

what should be the value of a if the value of 2x²+x-a equals to 5, when x=0...​

Answer 1

Answer:

U can use the formula an =x+(n-1)d

Step-by-step explanation:

Substitute the values in this formula you will get your answer

Answer 2

Answer:

$2 {x}^{2} + x - a = 5 \\ 2 \times {0}^{2} + 0 - a = 5 \: \: \: \: |x = 0| \\ 2 \times 0 + 0 - a = 5 \\ 0 + 0 - a = 5 \\ 0 - a = 5 \\ 0 - 5 = a \\ - 5 = a$

So, the value of a = (-5)