Question

Factorise 4x square+4x-3
PLZ quickly do it

Answer 1

Step-by-step explanation:

4x^2 + 4x -3

4x^2 + 6x - 2x -3

2x(2x+3)-1(2x+3)

(2x +3)( 2x -1)

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Answer 2

Answer:

x = (4+√52)/8 and x = (4-√52)/8

Step-by-step explanation:

4x² +4x -3 = 0

By quadratic equation method:-

On comparing the values:-

a = 4 { Cofficient of x²}

b = 4 { Cofficient of x}

c= -3 { Constant}

D = -b + 4ac

D = -4 + 4(4)(-3)

D = -4-48

D = -52

_____________________

Now x = {b ± √(D)} / 2a

x = { 4±√(52)}/2(4)

x = 4±√52

When it is +52

x = (4±√52)/8

When it is +√52

x = (4+√52)/8

When it is -√52

x = (4-√52)/8

So, the possible values of x are

x = (4+√52)/8 and x = (4-√52)/8

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