Factor the quadratic expression as the product of two binomials x^2-3x-10

Empty box + box + empty box fill in the box is equal to 30 how

Polynomial that can be factored as (3x-4)(3x+4)

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.