-(- = +
3(6+4)Answer:
See below :)
Step-by-step explanation:
1. 6x² + 3; x = 0
6(0)² + 3 Substitute x with 0
0 + 3 Anything multiplied to zero will be zero
3
2. 5 - 4x + x²; x = 8
x² - 4x + 5 Standard form
(8)² - 4(8) + 5 Substitute x with 8
64 - 32 + 5
32 + 5
37
3. ; x = 2 and y = 3
Substitute x with 2 and y with 3
PEMDAS
Subtract
1 Divide
4. ; a = 12 and b =
Substitute a with 12 and b with one-third; 9() is technically
÷ = Simplify
If mixed, 4 . If decimal, 4.8
5. 3(m-n) + ; m = 6 and n = -4
3(6-(-4)) + Substitute m with 6 and n with -4
3(6+4) + -(- = + because -1(-1) = +1
3(10) +
30 - Denominator cannot be negative
- Turn 30 into a fraction; LCM of 1 and 12 is 12.
27 Divide
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Answers & Comments
-(- = +
3(6+4)Answer:
See below :)
Step-by-step explanation:
1. 6x² + 3; x = 0
6(0)² + 3 Substitute x with 0
0 + 3 Anything multiplied to zero will be zero
3
2. 5 - 4x + x²; x = 8
x² - 4x + 5 Standard form
(8)² - 4(8) + 5 Substitute x with 8
64 - 32 + 5
32 + 5
37
3. ; x = 2 and y = 3
Substitute x with 2 and y with 3
PEMDAS
Subtract
1 Divide
4. ; a = 12 and b =
Substitute a with 12 and b with one-third; 9() is technically
PEMDAS
÷ = Simplify
If mixed, 4 . If decimal, 4.8
5. 3(m-n) + ; m = 6 and n = -4
3(6-(-4)) + Substitute m with 6 and n with -4
3(6+4) + -(- = + because -1(-1) = +1
3(10) +
30 - Denominator cannot be negative
- Turn 30 into a fraction; LCM of 1 and 12 is 12.
Subtract
27 Divide