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Mathematics
Algebra
Polynomial expressions
7xy − 3xz + yz + 3xy − 5xz + 4yz?
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7xy - 3xz + yz + 3xy - 5xz + 4yz equals 10xy - 8xz + 5yz.
−42x+3 + 5 ?
-42x + 3 + 5 equals -42x + 8.
`-4\left(2x+3\right)\ +\ 5\ ?`
-4(2x + 3) + 5 equals -8x - 12 + 5, which simplifies to -8x - 7.
1 39x+15
1/3(9x + 15) can be simplified to 3x + 5.
10−x−3
10 - x - 3 simplifies to 7 - x.
`10-\left(x-3\right)`
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Step 1: x(x-7y) + 4y(x-7y)+z(x-7y) Step 2: x²-7xy + 4yx-28y² + zx-7zy
Step 3: x²-7xy + 4xy-28y²+xz - 7yz Step 4:
Which expression is equivalent to `\left(3xy\ +\ 2xz\ +\ yz\right)\ +\ \left(2xy\ -\ 4xz\ +\ 5yz\right)?`
5xy-6xz-4yz 5xy-2xz+6yz