92 can be rounded to 90
68 can be rounded to 70
90 x 70 = 6300
-3 + -3 = 0
-5 + 1 = -4
vector = < 0,-4 >
The x is 176.54 cm.
i use pythagorean thearem
First combine like terms and put the expression in standard form. This expression is now in simplest form and cannot be simplified anymore.
3a + 10ab - 7a^2b - 10ab^2 + 12ab - (-4) + (-a^2b) - 5a
-10ab^2 - 8a^2b -2a + 24ab - (-4)
Hope this helps