What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)

Step-by-step explanation:

The given expression is

We split the middle term to obtain;

We factor to get;

We factor further to obtain;

We factor the negative 1 to get;

45

step-by-step explanation:

to find a percentage, add a decimal in front and multiply it by the other number.

.25 times 180= 45