harmharm101 harmharm101

09-04-2020
Mathematics

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a. What is the sum of - 8x2 + 2x + 1 and 10x2 - x?

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jerrelltng jerrelltng

09-04-2020

Answer:

[tex]x+5[/tex]

Step-by-step explanation:

Expanding the terms

[tex]( (- 8\times 2) + 2x + 1 )) + (10 \times 2) - x = -16 +1 +2x + 20 -x[/tex]

Simplifying them,

[tex]-16 +1 +2x + 20 -x = 5 + x[/tex]

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