$$\[ x^{2}-12 x+a=(x+b)^{2} \]$$ Find the value of $$$a$$$ and the value of $$$b$$$. $$\[ \begin{aligned} &a=............................................. .. \\ &b=............................................. .. \end{aligned} \]$$

Mathematics

IGCSE&ALevel

CAIE

Exam No：0580_m20_qp_22 Year：2020 Question No：20

Answer:

$[a=] 36$
$[b=]-6$

Knowledge points:

E2.2.3 Expand products of algebraic expressions. (e.g. expand (x + 4)(x – 7)) (Includes products of more than two brackets, e.g. (x + 4)(x – 7)(2x + 1))

Solution:

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$$\[ x^{2}-12 x+a=(x+b)^{2} \]$$ Find the value of $$\(a\)$$ and the value of $$\(b\)$$. $$\[ \begin{aligned} &a=............................................. .. \\ &b=............................................. .. \end{aligned} \]$$

Answer:

Knowledge points:

Solution:

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