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How do you solve this equation x plus 1 all squared minus 4bracketsx plus 1 please help?
Wiki User
∙ 13y ago
(x + 1)2 - 4(x + 1) is an expression, it is not an equation. Being an expression, it can be factorised or simplified, but it cannot be solved. An equation needs and equals sign "=", and there is none here.
(x + 1)2 - 4(x + 1) can be factorised as follows:
(x + 1)2 - 4(x + 1) = (x + 1)[(x + 1) - 4] = (x + 1)(x - 3)
(x + 1)2 - 4(x + 1) can be simplified as follows:
x2 + 2x + 1 - 4x - 4 = x2 - 2x - 3 (or you could have multiplied the two factors, above).
Wiki User
∙ 13y ago
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