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17-03-2021
Mathematics

contestada

Simplify the expression. (d² - d+5) - (-d² + d + 5)

Respuesta :

22-03-2021

Answer: [tex]2d^2-2d[/tex]

Step-by-step explanation:

Given

[tex]\Rightarrow (d^2-d+5)-(-d^2+d+5)\\\Rightarrow (d^2+d^2)-d-d+5-5=0-2d+0\\\Rightarrow 2d^2-2d=2d(d-1)[/tex]

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