Evaluate the expression below when x = -1. 2x2 - 5 x + 9 a. -7 8 b. -3 8 c. -1 8 d. -1

Step-by-step explanation:

Given,

x=-1

And the expression is-

Plugging in   x=-1 we get

=

=2(1)+5+9

=2+14

=16

Answer should be  16 here.

Could you write the expression again please?

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)