Question

factorise it with solution 21x square + 5x -6

Answer 1

hope this helps you ....

Answer 2

${21x}^{2} + 5x - 6$
=
${21x}^{2} + 14x - 9x - 6$
=
$7x(3x + 2) - 3(3x + 2)$
=
$(7x - 3)(3x + 2)$