Answer:
Step-by-step explanation:
M²N² - MN = MN (MN - 1)
M²N² + MN = MN (MN + 1)
= (MN - 1) * MN * (MN + 1)
= (MN - 1)(MN +1) MN {(a+ b)(a - b) = a² - b² }
= (M²N² - 1²) * MN
= (M²N² - 1)MN
Answer:
324.6
Step-by-step explanation:
because Together, the classes sold 79 items and earned $118.17 for their school
Answer:
Matrix calculator
Step-by-step explanation:
There are matrix calculators online with analytics steps