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14-02-2022
Mathematics

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What value of g makes the equation true?

(x+7)(x-4)=x²+gx-28

Respuesta :

14-02-2022

Answer:

g = 3

Step-by-step explanation:

(x+7)(x-4) = x²+ gx -28

Multiply the two parenthesis

(x+7)(x-4)= x² -4x +7x -28

Combine like terms

(x+7)(x-4)= x²+3x-28

Compare the equations

x²+ gx -28 = x² +3x -28

g = 3

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