(x + 40)
(3.x)"
What is the value of x?
A. 10
B. 20
C. 40
D. 60

Will give brainliest if you answer question correct

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)

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