factorise x^2+7x+12 by splitting middle term
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Answer:
x²+7x+12
x²+3x+4x+12
x(x+3)+4(x+3)
(x+4)(x+3)
ridh2131:
in final answer
actually when we do middle term split we don't take common at last
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Answered by
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Product = 12
Sum = 7
Therefore,
4*3 = 12
4+3 = 12
x^2 + 3x + 4x + 12
x( x+ 3) + 4(x+3)
(x+3)(x+4)
Sum = 7
Therefore,
4*3 = 12
4+3 = 12
x^2 + 3x + 4x + 12
x( x+ 3) + 4(x+3)
(x+3)(x+4)
4 + 3 = 7
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