solve this math ques pls friends
Answers
i think its -7,1,-3 and-6
Given :
___ + ___ = 8
x -
____ x _____ = 9
= =
21 5
To Find : Values
Solution:
a + (8 - a) = 8
x -
b x (3 - a) = 9
= =
21 5
ab = 21
b * (3 - a) = 9
=> a/(3 -a) = 21/9
=> a/(3 - a) = 7/3
=> 3a = 21 - 7a
=> 10a = 21
=> a = 21/10
b = 10
8 - a = 8 - 21/10 = 59/10
3 - a = 3 - 21/10 = 9/10
21/10 + 59/10 = 8
x -
10 x 9/10 = 9
= =
21 5
2.1 + 5.9 = 8
x -
10 x 0.9 = 9
= =
21 5
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