Question

Solve x2 — 10x + 21 = 0 by using middle term splitting method.​

Answer 1

(x-3) (x-7)

Step-by-step explanation:

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Answer 2

Answer:

x2 - 10x + 21

x2 - (7x + 3x) + 21

NOW OPEN THE BRACKETS.

x2 - 7x - 3x + 21

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

( x -3 )( x - 7)