Question

x² + 8x + 7. factorise​

Answer 1

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Answer 2

$\huge{\underline{\bf\red{QuestiØn} :}}$

Factorise :-

$\boxed{ {x}^{2} + 8x + 7}$

$\huge{\underline{\bf\blue{SolutiØn}\ :}}$

$\begin{aligned} \\ & \quad \: \: {x}^{2} + 8x + 7 \\ \\ & = {x}^{2} + (7 + 1)x + 7 \\ \\ & = {x}^{2} + 7x + x + 7 \\ \\ & = x(x + 7) + 1(x + 7) \\ \\ & = (x + 7)(x + 1) \\ \\ & = \underline{\boxed{ \bf{ \quad(x + 1)(x + 7) \quad}}} & & & & \end{aligned}$

$\red{\rule{5.5cm}{0.02cm}}$

$\Large{ \mid {\underline{\underline{\bf\green{BrainLiest \ AnswEr}}}} \mid }$