It seems like you provided a mix of algebraic expressions requiring operations such as subtraction and simplification. Let's break them down step by step based on the operations involved.
1) Выполните вычитание:
\( x - 8 - (5 - 12x) \)
Step 1: Remove the parentheses and distribute the negative sign: \[ x - 8 - 5 + 12x \]
Step 2: Combine like terms: \[ (x + 12x) + (-8 - 5) = 13x - 13 \]
So, the result is: \[ 13x - 13 \]
2) Выполните действия:
\( 56x^4 - (16x^3y^8 - 14p) \)
Step 1: Remove the parentheses and distribute the negative sign: \[ 56x^4 - 16x^3y^8 + 14p \]
There are no like terms to combine, so we leave it as is: \[ 56x^4 - 16x^3y^8 + 14p \]
3) Упростите выражение:
\( \frac{4 + 3}{y + 1} + \frac{2y + 2}{2y - 2} \)
Step 1: Simplify each fraction where possible:
- The first fraction remains \(\frac{7}{y + 1}\).
- The second fraction can be simplified: \[ \frac{2(y + 1)}{2(y - 1)} = \frac{y + 1}{y - 1} \]
Step 2: Combine the fractions: To do this, we need a common denominator, which would be \((y + 1)(y - 1)\): \[ \frac{7(y - 1)}{(y + 1)(y - 1)} + \frac{(y + 1)(y + 1)}{(y + 1)(y - 1)} \] Combine the numerators: \[ \frac{7(y - 1) + (y + 1)(y + 1)}{(y + 1)(y - 1)} \] This simplifies to: \[ \frac{7y - 7 + y^2 + 2y + 1}{(y + 1)(y - 1)} \implies \frac{y^2 + 9y - 6}{(y + 1)(y - 1)} \]
4) Упростите выражение:
\( a - 2*0 + 7 \)
Assuming \( *0 \) is zero, we simplify: \[ a + 7 \]
If you have more specific parts of the problem that need to be addressed, please provide additional context or clarify the equations.