Six billion, three hundred ninety-two million, ninety-four thousand and three.
( If it's wrong, please comment about it. )
(7x^2-3x)+4x^2
7x^2+4x^2-3x
11x^2-3x
Answer: 11x^2-3x.
You just combine like terms.
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Step-by-step explanation:
6. 7. 13
18. 10. 28
24. 17. 41