find the value of x : 4x-(6x+7)=(5x+4)× "-4"
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Answer:
4x2 - 2x) - (-5x2 - 8x)
= 4x2 - 2x + 5x2 + 8x.
= 4x2 + 5x2 - 2x + 8x.
= 9x2 + 6x.
= 3x(3x + 2).
Answer: 3x(3x + 2 this type of method you can do this Question
Answered by
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Answer:
4x-6x-7= -20x + (-16)
20x-2x -7= -16
18x-7+16 =0
18x+9=0
18x=(-9)
x=-9/18
x= - 1/2
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