find the value of x in the following questions
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Answered by
1
9(x^2-8)=x(9x+8)
9x^2-72=9x^2+8x
9x^2-9x^2=8x+72
0=8x+72
8x=-72
x=-9
9x^2-72=9x^2+8x
9x^2-9x^2=8x+72
0=8x+72
8x=-72
x=-9
Answered by
1
By doing cross multiple
we can get the answer,
9x2- 72 = 9x2 + 8x
= -72 = 8x
x = -9
we can get the answer,
9x2- 72 = 9x2 + 8x
= -72 = 8x
x = -9
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