-14
is the first one, remember 1- (-15) is like 1-15 but the you put the - on the14 so you get-14, hope this helped
92
given 2a² + 5b²
substitute given values for a and b into the expression
2(- 6)² + 5(2)² = (2 × 36 ) + (5 × 4) = 72 + 20 = 92
Answer:
252.m^5.n^5
Step-by-step explanation:
Solutions: x=1.
Hope this helps!
