how to factorise: kx^2+4x+4
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In kx²+4x+4
k is a constant.
Therefore, kx²+4x+4 can be written as x²+4x+4
x²+4x+4 = x²+2x+2x+4
= x(x+2)+2(x+2)
= (x+2)(x+2)
k is a constant.
Therefore, kx²+4x+4 can be written as x²+4x+4
x²+4x+4 = x²+2x+2x+4
= x(x+2)+2(x+2)
= (x+2)(x+2)
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