(x2+x)(x2-2x-3) is equal to?

x^4-x^3-5x^2-3x

Step-by-step explanation

Use the FOIL Method or factor.

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⭐