Question

plzzzzzzzzzzzzz factorise

Answer 1

${4x}^{2} + 4x + 1 \\ = {(a + b)}^{2} = {a}^{2} + 2ab + {b}^{2} \\ = {(2x)}^{2} + 2(2x)(1) + {(1)}^{2} \\ = {(2x + 1)}^{2}$
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Answer 2

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