Question

Multiply and simplify
(x +1)3 x (x+1)4

Answer 1

12x^2+24x+12

Explanation:

(3x+3) * (4x+4)

12x^2+24x+12

Answer 2

( x+1)^7

Explanation:

(x +1)^3 * (x+1)^4

Replace x+1 with m

m^3 * m^4

The bases are the same so we can add the exponents

m^ (3+4)

m^7

Replace m with x+1

( x+1)^7