Question

algebraic Expression.

1).
$(5 {x}^{2} + 3x - 8) + (4x + 7 - 2 {x}^{2} ) + (6 - 5x + {x}^{2}) \: \: add \: it \:$

2. subtract 4a + 5b- 3c. from 6a- 3b+c


3. what must be subtracted from
$- 3a { }^{2} - 6 ab - 3b - 1 \: to \: get \: 4 ^{2} a - 7ab - 4 {6 + 1}^{2}$
rest on picture. ​

Answer 1

Answer:

Step-by-step explanation:

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