Question

The following expression are factors of a polynomial. Find the product of (3x+7) and (x+3)

Answer 1

Answer:

$3x { }^{2} + 16x + 21$

Step-by-step explanation:

$3x \times x = 3x {?}^{2}$

$(3x \times 3 = 9x) + (7 \times x = 7x)$

$7 \times 3 = 21$

FOIL method.