Question

Write the expression as a trinomial (5c+2)(2c-1)

Answer 1

10c^2-c-2

Explanation:

FOIL method

or just multiply all of the numbers by each other, if you get 4 numbers you did it right then simplify;

(5c+2)(2c-1) 5c*2c; 2*-1; -1*5c; 2*2c = 10c^2, -2, -5c, 4c, simplify, 10c^2 -c -2. Hope this helps :)

Answer 2

10c² - c - 2

Explanation:

(5c+2)(2c-1)

10c² - 5c + 4c - 2

10c² - c - 2