Question

si a = (x+1)(x+4) b = (x+3)(x+2) halla a – b

Answer 1

Explicación paso a paso:

a. (x+1)(x+4)

x × x + 4x + x + 4

x² + 4x + x + 4

x² + 5x + 4

b. (x+3)(x+2)

x × x + 2x + 3x + 3 × 2

x² + 2x + 3x +6

x² + 5x + 6

Entonces:

a - b

(x² + 5x + 4) - (x² + 5x + 6)

-2