What is that product of 2x + y and 5x -y + 3
2 answers:
Answer:
10x² + 6x + 3xy + 3y - y²
Step-by-step explanation:
Each term in the second factor is multiplied by each term in the first factor, as shown
(2x + y)(5x - y + 3)
= 2x(5x - y + 3) + y(5x - y + 3) ← distributing
= 10x² - 2xy + 6x + 5xy - y² + 3y ( collect like terms )
= 10x² + 6x + 3xy + 3y - y²
The correct answer is:
10 x^2+ 3 xy+ 6 x+ -1 y^2+ 3 y
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Answer:
The absolute value of -5 is...5
Step-by-step explanation:
C is irrational because there is no definite square root for 15 whereas the square root of 36=6
0.2 I believe would be the correct conversion. if not please feel free to correct me.
