Question

Complete by square method x2-10x+21

Answer 1

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Q:-

${x}^{2} - 10x + 21 = 0$

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------>>>>Here is your answer<<<<--------

$➪ {x}^{2} - 10x + 21 = 0$

$➪ {x}^{2} - 7x - 3x + 21 = 0$

$x(x - 7) - 3(x - 7) = 0$

$➪(x - 3)(x - 7)$

$➪x = 3 \: and \: x = 7$

HOPE IT HELPS YOU..

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Thankyou:)

Answer 2

Answer:

x square -10×+21

Step-by-step explanation:

x(x-7)-3(x-7)

(x-3)(x-7)