Question

3 X square + 8 x - 3 =0,factorise​

Answer 1

Answer:

3x square + 8x - 3 =0

3x square multiplied by -3 is -9x square

we have to split the middle term in a way that the addition is 8x and the multiplication is -9x square

8x can be split as 9x - x

so, 3x square + 9x - x - 3 =0

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

(x+3)(3x-1)

x=-3 and x=1/3