Question

Por favor nesesito ayuda ​

Answer 1

Explicación paso a paso:

3. area= (7a2b3)(8a3b2)=56a5b5

4. area= (4rt2)2= 16r2t4

5. area= (3+2a)(2+2a)=6+6a+4a+4a2=6+10a+4a2

6. area=(3×+2y+5)(4×+y+3)=

12×2+3×y+9×+8×y+2y2+6y+20x+5y+15=

12x2+11×y+29×+11y+2y2+15