21x=196-x squareplease
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Hii friend,
21X = 196-X²
X²+21X -196 = 0
X²+28X-7X-196 = 0
X(X+28) -7(X+28) = 0
(X+28) (X-7) = 0
(X+28) = 0. OR (X-7) = 0
X = -28 OR X = 7
HOPE IT WILL HELP YOU..... :-)
21X = 196-X²
X²+21X -196 = 0
X²+28X-7X-196 = 0
X(X+28) -7(X+28) = 0
(X+28) (X-7) = 0
(X+28) = 0. OR (X-7) = 0
X = -28 OR X = 7
HOPE IT WILL HELP YOU..... :-)
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