The value of m, if the value of 3x^2 + x - m is equal to 7, when x = -1 is
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Answered by
0
Answer:
m = 1
Step-by-step explanation:
3x^2 + x - m = 7
-3^2 + -1 - m = 7
9 - 1 - m = 7
- m = 7 - 8
-m = -1
m = 1
Answered by
1
Answer:
m=-5
Step-by-step explanation:
3(-1)^2 + (-1)- m=7
3(1)-1-m=7
3-1-m=7
2-m=7
-m=7-2
-m=5
m=-5
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