Question

2xpower 2 +x -a equals to 5 ; when x =2

Answer 1

$hi \: mate \\ \\ given \: question \: is \\ \\ (2x) {}^{2} + x - a = 5 \\ \\ put \: x = 2 \\ \\ (2 \times 2) {}^{2} + 2 - a = 5 \\ \\ 16 + 2 - a = 5 \\ \\ a = 13 \\ \\ have \: a \: nyc \: tym$

Answer 2

Have a great future ahead.