Math, asked by patlollaveerkumar08, 2 months ago

factorisation of 4x²-16x+7​

Answers

Answered by Pragma
0

Step-by-step explanation:

4x^2-16x+7

4x^2-14x-2x+7

2x(2x-7)-1(2x-7)

(2x-1)(2x-7)

x=1/2 , x=7/2

Answered by Krishrkpmlakv
1

Answer:

Step-by-step explanation:

Given,

Let p ( x ) = 4x square - 16x + 7

= 4x square - 2x - 14x + 7 [∵ 4 × 7 = 28 , (-2) (-14) = 28 , -2 + ( -14) = -2 - 14 = - 16, - × - = +, + × - = - ] = 2x ( 2x - 1 ) - 7 ( 2x - 1 )

= ( 2x - 1 ) ( 2x - 7 ) -is the answer.

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