Simplify the following expressions. 1) (2x - 3y + 4z) + (9x - 8y + 7z) 2) (5m + 2n - 6) - (3m - 2n + 4) 3) Subtract the quantity 12a2 - 8a + 4 from the quantity 12 - 7a2 4) + 5) (3m2 + 9mn + 3n2) - 6(2n2 - 5m2) + 2(12m2 + 9mn - 3n2) 6) (7.4a - 2.3b + c) + 10(2.6a - 2.3b + 4.5c) - 3(a + b + c) 7) Subtract four times the quantity 2x + 5 from three times the quantity 7x 8 – 8) Multiply the quantity 2x2 8xy + 5y3 by (-5) and add that product to the quantity – 7x2 8xy + 3y2 – 9) Subtract the quantity 10x + 5y 4z from the sum of the quantities 7z + 3y 10x – – and 9x 12y z – – 10) Subtract six times the quantity 3a + 12b 4c from eight times the sum of the quantities – 14a + 7c and 5b 12c – an algebraic expression to the given verbal expression
Simplify the following expressions. 1) (2x - 3y + 4z) + (9x - 8y + 7z) 2) (5m + 2n - 6) - (3m - 2n + 4) 3) Subtract the quantity 12a2 - 8a + 4 from the quantity 12 - 7a2 4) + 5) (3m2 + 9mn + 3n2) - 6(2n2 - 5m2) + 2(12m2 + 9mn - 3n2) 6) (7.4a - 2.3b + c) + 10(2.6a - 2.3b + 4.5c) - 3(a + b + c) 7) Subtract four times the quantity 2x + 5 from three times the quantity 7x – 8 8) Multiply the quantity 2x2 – 8xy + 5y3 by (-5) and add that product to the quantity 7x2 – 8xy + 3y2 9) Subtract the quantity 10x + 5y – 4z from the sum of the quantities 7z + 3y – 10x and 9x – 12y – z 10) Subtract six times the quantity 3a + 12b – 4c from eight times the sum of the quantities 14a + 7c and 5b – 12c an algebraic expression to the given verbal expression
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