Simplify the following expressions. 1) (2x - 3y + 4z) + (9x - 8y + 7z) 11x 11y + 11z – 2) (5m + 2n - 6) - (3m - 2n + 4) 2m + 4n 10 – 3) Subtract the quantity 12a2 - 8a + 4 from the quantity 12 - 7a2 (12 7a2) (12a2 8a + 4) – – – -19a2 + 8a + 8 4) + – 5) (3m2 + 9mn + 3n2) - 6(2n2 - 5m2) + 2(12m2 + 9mn - 3n2) 3m2 + 9mn + 3n2 12n2 + 30m2 + 24m2 + 18mn 6n2 – – 57m2 + 27mn 15n2 – 6) (7.4a - 2.3b + c) + 10(2.6a - 2.3b + 4.5c) - 3(a + b + c) 7.4a 2.3b + c + 26a 23b + 45c 3a 3b 3c – – – 30.4a 28.3b + 43c – 7) Subtract four the quantity 2x + 5 from three times the quantity 7x 8 – (7x 8) 4(2x + 5) – – x 28 – 8) Multiply the quantity 2x2 8xy + 5y3 by (-5) and add that product to the quantity 7x2 8xy + – – 3y2. 5(2x2 8xy + 5y3) + (7x2 8xy + 3y2) – – 10 x2 + 8xy 25 y3 + 7x2 8xy + 3y2 – 3x2 + 32xy 25y3 + 3y2 – 9) Subtract the quantity 10x + 5y 4z from the sum of the quantities 7z + 3y 10x – – and 9x 12y z – –
Simplify the following expressions. 1) (2x - 3y + 4z) + (9x - 8y + 7z) 11x – 11y + 11z 2) (5m + 2n - 6) - (3m - 2n + 4) 2m + 4n – 10 3) Subtract the quantity 12a2 - 8a + 4 from the quantity 12 - 7a2 (12 – 7a2) – (12a2 – 8a + 4) -19a2 + 8a + 8 4) + – 5) (3m2 + 9mn + 3n2) - 6(2n2 - 5m2) + 2(12m2 + 9mn - 3n2) 3m2 + 9mn + 3n2 – 12n2 + 30m2 + 24m2 + 18mn – 6n2 57m2 + 27mn – 15n2 6) (7.4a - 2.3b + c) + 10(2.6a - 2.3b + 4.5c) - 3(a + b + c) 7.4a – 2.3b + c + 26a – 23b + 45c 3a – 3b 3c 30.4a – 28.3b + 43c 7) Subtract four the quantity 2x + 5 from three times the quantity 7x – 8 (7x – 8) – 4(2x + 5) x – 28 8) Multiply the quantity 2x2 – 8xy + 5y3 by (-5) and add that product to the quantity 7x2 – 8xy + 3y2. 5(2x2 – 8xy + 5y3) + (7x2 – 8xy + 3y2) 10 x2 + 8xy 25 y3 + 7x2 – 8xy + 3y2 3x2 + 32xy – 25y3 + 3y2 9) Subtract the quantity 10x + 5y – 4z from the sum of the quantities 7z + 3y – 10x and 9x – 12y – z
1-2-Assignment-Algebraic-Expressions.docx