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lana66690 [7]
3 years ago
12

Simplify 3(2x+4y-2z)+7(x+y-4z)

Mathematics
1 answer:
Nostrana [21]3 years ago
5 0

3(2x + 4y - 2z) + 7(x + y - 4z)
Remove parenthesis.
Distribute 3 and 7 through the parenthesis

= 6x + 12y - 6z + 7x + 7y - 28z
Collect the like terms by adding their coefficients.

= 13x + 12y - 6z + 7y - 28z
Collect the like terms by adding their coefficients.

= 13x + 19y - 6z - 28z
Collect like terms by calculating the sum or difference of their coefficients. Use addition and subtraction rules to calculate the expression.

= 13x + 19y - 34z
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