Question

А)
4) What is the standard form of quadratic equation x = x (x – 5) +3?
A) x2 - 4x + 3 = 0
x2 + 4x - 3=0
C) x2 - 6x + 3 = 0
DY X2 - x - 2 = 0​

Answer 1

FINAL ANSWER:-

C) x² - 6x + 3 = 0

GIVEN:-

the standard form of quadratic equation x = x (x – 5) +3

FORMULA USED:-

basic bracket multiplication

SOLUTION:-

STEP1 : simplify the equation x=x (x – 5) +3

$x=x (x-5) +3\\x=x^{2}-5x+3$

$=x^{2}-5x -x+3$    [bringing x from L.H.S. to R.H.S.]

$=x^{2}-6x+3$

as we know that standard quadratic equation is $ax^{2}+bx+c$

so we have arranged the equation in the form of $ax^{2}+bx+c$

hence $x^{2}-6x+3$ is the standard quadratic equation

Answer 2

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