favalinasebastian198 favalinasebastian198

04-02-2021
Mathematics

contestada

Given constants a and b such that x2 + ax + b has factors (x + 7) and (x + 2) what is a?

Respuesta :

UnLedZep UnLedZep

04-02-2021

Answer:

a=9 , b=14

Step-by-step explanation:

Just do the operation (x+7)(x+2)

x(x)+x(2)+7(x)+7(2)

x^2+2x+7x+14

x^2+9x+14

So a=9 and b=14

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