Question

the question is in above please answer ​

Answer 1

Answer:

thanks again for your help with this and I will get back to you can get it to make sure I have

Answer 2

Answer:

( c ) 2x² - 7x + 6 = 0

Step-by-step explanation:

Let's check it with substitution of 2 with x

$( a )x^{2} - 4x + 5 = 0\\\\2^{2} - 4 * 2 + 5 = 0\\\\4 - 8 + 5 = 0\\\\( 4 - 8 ) + 5 = 0\\\\-4 + 5 = 0\\\\1\neq 0$Proved wrong

$( b ) x^{2} + 3x - 12 = 0\\ \\ 2^{2} + 3 * 2 - 12 = 0\\ \\ 4 + 6 - 12 = 0\\\\ 10 - 12 = 0\\\\ - 2 \neq 0$ Proved wrong

$( c )2x^{2} - 7x + 6 = 0\\\\2 * 2^{2} - 7 * 2 + 6 = 0\\\\2 * 4 - 14 + 6 = 0\\\\8 - 14 + 6 = 0\\\\14 - 14 = 0\\\\0 = 0$ Proved correct

$( d ) 3x^{2} - 6x - 2 = 0\\\\( 3 * 2^{2} ) - ( 6 * 2 ) - 2 = 0\\\\( 3 * 4 ) + ( - 12 - 2 ) = 0\\\\12 - 14 = 0\\\\- 2 \neq 0$Proved wrong

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