Expand and simplify (x+1)(x+7)

Factored?

x^2 + 8x +7

Step-by-step explanation:

x times x = x^2, with 7 times x = 7x and x times 1 = 1x. Add those two common terms together to get 8x. Then lastly 7 times 1 =7 so add that.

Answer  

(x+1)(x+7)

1 Distribute

 x(x+7)+1(x+7)

2 Distribute

 x(x+7)+1(x+7)  x2+7x+1 (x+7)

3 Multiply by 1

x2+7x+1 (x+7) x2 +7 x+7

4 Combine like term

x2 +8x+7

Solution: x2+8+7

Step-by-step explanation:

answer: 42

use a calculator to find that 845/73 = 11.575

the whole part of the answer is 11. multiply this by 73 to get 11*73 = 803.

subtract that result from 845 to get 845 - 803 = 42