Factor a number, variable, or expression out of the polynomial shown below. 20x3 + 15x a. 10x(10x2 + 5x) b. 5x(4x2 + 3x) c. 5x(4x2 + 3) d. 10x(10x2 + 5)

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)

a

b

d

step-by-step explanation: