890215931 890215931

17-05-2021
Mathematics

contestada

(x+5)(x+1)+(x+5)(x+8)

Respuesta :

jimrgrant1 jimrgrant1

17-05-2021

Answer:

2x² + 19x + 45

Step-by-step explanation:

(x + 5)(x + 1) + (x + 5)(x + 8) ← expand both sets of factors using FOIL

= x² + 6x + 5 + x² + 13x + 40 ← collect like terms

= 2x² + 19x + 45

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