Question

simplify the expression x(x-3)+2 and evaluate its value for x=2

Answer 1

Answer:

the equation form

Step-by-step explanation:

x²-3x+2=0 bot x=2given

(2)²-3×2+2=0

4-6+2=0

LHS =RHS

Answer 2

Answer:

Simplify the expression x(x-3)+2 and evaluate its value for x=2.

Step-by-step explanation:

This problem is quadratic equation in one variable.

General formula of quadratic equation is : $ax^{2} +bx+c=0$

where "x" is a variable and a, b and c are the constants with $a\neq 0$

There will be two solutions to satisfy the quadratic equation.

Simplifying the given equation ,

$x( x-3)+2$

$x^{2} -3x+2$

$x^{2} -2x-x+2$

$x( x-2)-(x-2)$

$(x-1) (x-2)$

we get two factors (x-1) and (x-2)

now putting the value of "x" in the factors

we get,

$(2-1) = 1$

$(2-2) = 0$

The two solutions to satisfy the quadratic equation are 1 and 0.

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