Question

plz help me plz solve this question frends help me​

Answer 1

Answer:

1).9x^2+4xy+10xy

=6x^2+4xy+10xy

Answer 2

$\huge \mathfrak\blue{Solution✓}$

$9 {x}^{2} + 4xy + 10xy - 3 {x}^{2}$

$9 {x}^{2} - 3 {x}^{2} + 4xy + 10xy$

$6 {x}^{2} + 14xy$

$\: - 4x - 12y + 6z - 7x - 3y + 8$

$= > - 4x - 7x - 12y - 3y + 6z + 8$

$- 11x - 15y + 6z + 8$

Hope it helps..