Question

Factorize--x²-10x+21

Answer 1

Therefore the answer that you require will be (x-7)(x-3)

Step-by-step explanation:

x²-10x + 21

= (x)²+[(-7)+(-3)]x + [(-7)×(-3)]

x²+(a+b)x +ab = (x+a)(x+b)

therefore , x²-10x + 21

[x+(-7)] [x+(-3)]

= (x-7)(x-3)

Answer 2

Answer:

your answer is............