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24-06-2020
Mathematics

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Find
[tex]( {10x}^{2} - 11x + 8) + ( {2x}^{2} + 7x - 5 )[/tex]

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24-06-2020

Answer:

[tex]12x^2-4x+3[/tex]

Step-by-step explanation:

Parentheses do not matter in this equation.

[tex](10x^2-11x+8)+(2x^2+7x-5)=\\10x^2-11x+8+2x^2+7x-5=\\12x^2-11x+8+7x-5=\\12x^2-4x+8-5=\\12x^2-4x+3[/tex]

Our answer is [tex]12x^2-4x+3[/tex]

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