If the area of the rectangle is 10x ^ 2 - 38x - 8 square inches, and its length is 5x + 1 inches, find its width .

2

step-by-step explanation:

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7! = 7×6×5×4×3×2

3! = 3× 2

as 7! is multiple of 3! because 7! contains 3! that is 3× 2 as factor

so 7! /(3! ) = 7× 6× 5× 4

= 42 × 20

= 840

its b) 840✌✌✌

dhruv⭐