Question

(5x + 3) (2x + 4).... ​

Answer 1

Answer:

Solution–

(5x+3)(2x+4)

5x(2x+4)+3(2x+4)

5x(2x)+5x(4)+3(2x)+3(4)

10x²+20x+6x+12

10x²+26x+12

Step-by-step explanation:

Pls mark me as brainlist.

Answer 2

Answer:

Given: 21 23 21 and 22 are supplementary angles 23 and 24 are supplementary angles Prove: 2224 2 3 4

Step-by-step explanation:

$(5x + 3) (2x + 4) \\ 5x(2x + 4) + 3(2x + 4) \\ 10x {}^{2} + 20x + 6x + 12 \\ 10x {}^{2} + 26x + 12$