Factorised form of x^2 - 10x + 21
Answers
Answered by
1
Step-by-step explanation:
x
2
+10x+21
=x
2
+7x+3x+21
=x(x+7)+3(x+7)
=(x+3)(x+7)
Answered by
2
Answer:
- (x - 3)(x - 7)
Step-by-step explanation:
In this question, we have to factorise the below equation,
=> x² - 10x + 21
Using the method of middle term splitting,
=> x² - 7x - 3x + 21
=> x ( x - 7 ) - 3 ( x - 7 )
=> ( x - 3 ) ( x - 7 )
Hence factorised!
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