The factorisation of (x+y)^2 + 2(x+y) + 1 is
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The factorisation of (x+y)^2 + 2(x+y) + 1 is
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Answer:
x^2 + 2xy + y^2 + 2x + 2y + 1
Step-by-step explanation:
(x+y)^2 + 2(x+y) + 1
by using the formula of (x+y)^2 = x^2 + 2xy + y^2 and from 2(x+y) multiply 2 in bracket
we get
x^2 + 2xy + y^2 + 2x + 2y + 1
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