14. Simplify the expressions and evaluate their values as directed. (a) 3y (2y - 7) - 3(y - 4) - 63 for y = -2
(b) –F (m? - n?) - p’ (12 - mº)+ n°(p-1)+ m² (n? -p') for I = 1, m= -2, n= -1p = 2
15. How much smaller is 23 2y + 5 than 7 +5+ 3x ?

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kat6282

28.06.2022

Mathematics

y=12x+8

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14. Simplify the expressions and evaluate their values as directed. (a) 3y (2y - 7) - 3(y - 4) - 63 for y = -2(b) –F (m? - n?) - p’ (12 - mº)+ n°(p-1)+ m² (n? -p') for I = 1, m= -2, n= -1p = 215. How much smaller is 23 2y + 5 than 7 +5+ 3x ?