Mathematics
Mathematics, 14.12.2020 01:00, wrolle

What is the missing coefficient? (15x^2+11y^2+8x)-(7x^2+5y^2+2x)=[bl ank]x^2+6y^2+6x
a. 4
b. 8
c. 10
d. 22

answer
Answers: 3

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