Question

please answer the following questions.​

Answer 1

Answer:

the answers are in pic

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Answer 2

Answer:

• Q.1) x
• $x {}^{2} -6x + 9$

$x { - 9}^{2}$

$= (x - 3) {}^{2}$

by use fotmula

$(a - b) { }^{2}$

$= a {}^{2} { - 2ab + b } {}^{2}$

then answer is

$x { - 6x + 9}$