x²+2x=143 find the value of x?
step by step anwer it.......
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x²+2x=143 find the value of x?step by step anwer it.......
x²+2x=143 find the value of x?
step by step anwer it.......
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Answer:
Step-by-step explanation:
Hence, the value of X is - 13 and 11
x^2 + 2x = 143
Step-by-step explanation:
x^2 + 2x - 143 = 0
x^2 + 13x - 11x - 143 =0
x ( x + 13 ) - 11 ( x + 13 ) = 0
( x -11 ) (x+13) = 0
x = 11 & -13