Question

check whether 2 is zero of the polynomial x power x^2-3x+2
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Answer 1

Step-by-step explanation:

Substitute x=2 in equation

x²-3x+2=0

2²-3(2)+2=0

4-6+2=0

6-6=0

0=0

Yes 2 is the zero of the given polynomial

Answer 2

Step-by-step explanation:

${x}^{2} - 3x + 2 \\ = {x}^{2} - 2x - 1x + 2 = 0 \\ = x(x - 2) - 1(x - 2) = 0\\ = (x - 1)(x - 2) = 0 \\ therefore \: \: \: \: \: x - 1 = 0 \: or \: \: x - 2 = 0 \\ x = 1 \: or \: x = 2$

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