Product of the sum and difference

Calculate the product of the sum and difference of numbers -7 and -2.

Result

x =  45

Solution: Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...): Be the first to comment! Next similar math problems:

1. Product Result of the product of the numbers 1, 2, 3, 1, 2, 0 is:
2. Operations Sum of the numbers 1.01 and 3.35 multiply by the difference of numbers 6.69 and 1.39.
3. With bracket Calculate (evaluate) simple mathematical expression with a negative numbers and a bracket: 13+15*5-2*(-6)
4. Decimal expansion Calculate: 2 . 1 + 0 . 10 + 7 . 10000 + 4 . 1000 + 6 . 100 + 0 . 100000 =
5. Expression 6 Evaluate expression: -6-2(4-8)-9
6. Students at cinema All pupils from the school went to the cinema for a film performance. The cinema has 400 seats, 2 rows of 20 seats remain unoccupied. 10 places were occupied by teachers. How many students were there?
7. Expression 8 Evaluate this expressions: a) 5[3 + 4(2.8 - 3)] b) 5×(8-4)÷4-2
8. Roman numerals 2+ Add up the number writtens in Roman numerals. Write the results as a roman numbers.
9. Addition of Roman numbers Added together and write as decimal number: LXVII + MLXIV
10. Expression plus minus Evaluate expression: (-1)2 . 12 – 6 : 3 + (-3) . (-2) + 22 – (-3) . 2
11. Brackets 2 Add parenthesis to make true: 5-2×6-4+2=5
12. Expression 1 What is 7+8-(5×2)+5-4+(6×(5-3)+6)-(8+10)-7+6?
13. Conference 2 9 people attended a conference on behalf of their company. The conference fee was £520 per person and the company paid a total of £856 in travel costs for the 9 people. How much did the conference cost the company altogether?
14. Roman numerals + Add up the number writtens in Roman numerals. Write the results as a decimal number.
15. I think number I think number.When I add 841 to it and subtract 157, I get a number that is 22 greater than 996. What number I thinking?
16. Flood water Flood waters in some US village meant that the homes had to evacuate 364 people. 50 of them stayed at elementary schools, 59 them slept with their friends and others went to relatives. How many people have gone to relatives?
17. Drive At the bus stop 8 people take out and 10 people take into bus. Next stop 6 take out and 5 take in. On the third stop 6 take out and 3 take in. The bus traveled further with 39 people. How many passengers were originally at the bus?