Question

sendo a=-2 b=0 x=-1 y=5 cálcule x-7y². a²+x-(5b-2y)

Answer 1

x - 7y²•a² + x - (5b - 2y
-1 - 7(5)²•(-2)² + (-1) - (5.0 - 2.5)
-1 - 7.25•4 - 1 + 10
-1 - 175•4 + 9
-1 - 700 + 9
-701 + 9 = -692