madihafr22 madihafr22

09-12-2021
Mathematics

contestada

please help.
with the steps.
just b, please

please helpwith the stepsjust b please class=

Respuesta :

sqdancefan sqdancefan

10-12-2021

Answer:

x² +3x -50 = 0

Step-by-step explanation:

The area expression you got in part (a) is ...

A = (x +8)(x -5) = x² +3x -40

If the area is to be 10, then x must satisfy the equation ...

10 = x² +3x -40

x² +3x -50 = 0 . . . . . . subtract 10 and put in standard form

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