Combine like terms whenever possible.-5x2 - 7x - 2x2
A. -7x2 - 7x
B. -14x2
C. -14x
D. -3x2 - 7x
Answer: A
Mathematics
You might also like to view...
Divide.
A. 72x2 - 64x - 72 B. 9x3 - 8x2 - 9x C. 9x3 - 64x2 - 72x D. 9x2 - 8x - 9
Mathematics
Solve the problem.An SUV weighing 4900 pounds is parked on a street which has an incline of 
Find the force required to keep the SUV from rolling down the hill and the force of the SUV perpendicular to the hill. Round the forces to the nearest hundredth.
A. 512.19 lb and 4873.16 lb B. 934.96 lb and 4809.97 lb C. 467.48 lb and 2404.99 lb D. 1350.62 lb and 4710.18 lb
Mathematics
Find a complex number w satisfying the conditions. z = 8 + 3i, Re{w} = Re{z}, 
= 
, w ? z
A. w = -8 + 3i B. w = 8 - 3i C. w = 8 + 3i D. w = -8 - 3i
Mathematics
Evaluate 
when r = -1 and s = -2.
?
A. 14 B. -56 C. 38,416 D. -14 E. -112
Mathematics