. Add the following using the horizontal method. a) 5xy + 2x, -2xy + 3

1.	. Add the following using the horizontal method. a) 5xy + 2x, -2xy + 3y and 8xy - 3x + 4y b) m +1 and m2 + m c) 41+ 2+ +11, -31 + t and 4 - 2 d) 2a + 3b - 4c, 8c - 1 and 5b + 4
Answer» Answer: Step-by-step EXPLANATION: $a)\ (5xy+2x)+(-2xy+3y)+(8xy-3x+4y)$ $5xy+2x-2xy+3y+8xy-3x+4y$ ARRANGING like TERMS $5xy-2xy+8xy+2x-3x+3y+4y$ $11xy-x+7y$ $b)\ (m+1)+(m^2 +m)$ $m+1+m^2+m$ Arranging like terms $m^2 +m+m+1$ $m^2+2m+1$ c) QUESTION SEEMS mistyped. $d)\ (2a+3b-4c)+(8c-1)+(5b+4)$ $2a+3b-4c+8c-1+5b+4$ Arranging like terms $2a+3b+5b-4c+8c-1+4$ $2a+8b+4c+3$