Question

Find the value of the given algebraic expression when x = -2 , 5x²+4x-2​

Answer 1

Answer:

5(-2)²+4(-2)-2

5(4)-8-2

20-10

=10

Answer 2

$5 \times ( - 2) {}^{2} + 4 \times - 2 - 2 \\ \\ = 10$