1.

Simplify 5(3x+y)^2+6(3x+y)-8

Answer»

Step-by-step EXPLANATION:

5(3x + y) {}^{2}  + 6(3x + y) - 8 \\ 5(3x {}^{2}  + 2 \times 3x \times y + y {}^{2} ) + 6(3x + y) - 8 \\ 5(3x {}^{2}  + 6xy + y {}^{2} ) + 6(3x + y) - 8 \\ 15x {}^{2}  + 30xy + 5y {}^{2}  + 18x + 6y - 8 \\

This is your ANSWER.



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