Question
Simplify. Write answers from a,b,c in order and from x^2 r in order. (1) (-a+5b)+(4a-b)=-a+5b+4a-b=3a+9b (2) (-a+5b)-(4a+b)=-5a-4b (3) (-a-5b)+(4a-b)= (4) (-a-5b)-(4a-b)= (5) (-a+5b)+(-4a+b)= (6) (-a+5b)-(-4a-b)= (7) (2x^2+3x)+(2x+5)= (8) (5x^2+3x)-(2x+5)= (9) (-x^2-3x)+(-2x+5)= (10) (-3x^2-3x)-(-2x+5)=
Solution
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Answer
### (1)
### (2)
### (3)
### (4)
### (5)
### (6)
### (7)
### (8)
### (9)
### (10)
Explanation
## Step 1: Simplify expressions by combining like terms.### We combine 'a' terms with 'a' terms and 'b' terms with 'b' terms. Similarly, we combine
terms with
terms,
terms with
terms, and constant terms with constant terms. Remember to distribute the negative sign when subtracting.## Step 2: Calculate (3)###
## Step 3: Calculate (4)###
## Step 4: Calculate (5)###
## Step 5: Calculate (6)###
## Step 6: Calculate (7)###
## Step 7: Calculate (8)###
## Step 8: Calculate (9)###
## Step 9: Calculate (10)###