Question

find the area of a rectangle with length (3 X + 2) units and with (4 x + 10) units​

Answer 1

Step-by-step explanation:

$\huge\underline{\underline{\sf ANSWER}}$

Area = l×b

= (3x +2) × (4x +10)

= (3x)×(4x +10) +2(4x +10)

= 12x^2 + 30x +8x +20

$so </strong><strong>,</strong><strong>\: \\ </strong><strong>A</strong><strong>R</strong><strong>E</strong><strong>A</strong><strong> </strong><strong>\: = 12 {x}^{2} + 38x + 20$