Question

3x +7y by -3x multiple​

Answer 1

Step-by-step explanation:

*(3x +7y) × ( -3x )

= -9x^2 - 21xy

Answer 2

$3x + 7y \times (- 3x)$

$3x( - 3x) + 7y( - 3x)$

$( - 9 {x}^{2}) + ( - 21xy)$

$( - 9 {x}^{2} - 21xy)$