Answer:x^2 + 9x + 20
Step-by-step explanation:
You could just multiply (x+4)(x+5) and get x^2 + 9x + 20, but judging from the picture, it looks like they want you to split it into 4 rectangles
x^2 +4x+ 5x + 20 =x^2 +9x + 20, just like (x+4)(x+5)
Answer:
they each share the same variable which is raised to the same exponent, 1
Step-by-step explanation:
351 because 293 multiplied by 3 = 879, and 1230 - 879 = 351