(-5x2+2x) - (3x-8x2)
What is 3x2-x
(2x3 +7x2+x)+(2x2 -4x-12)
What is 2x3 + 9x2 - 3x - 12
(5x2 -2x-1)-(3x2 -5x+7)
What is 2x2 +3x-8
3,450,000 in scientific notation
What is 3.45 x 106
(3a2 +2a-2)+(a2 -3a+7)
What is 4a2 -a + 5
(6x3 -4x2 +x-9)-(3x2 +7x+3
What is 6x3 -7x2 -6x-12
.0000001428 in scientific notation
What is 1.428x10-7
(2y2+x) + (4y2+x)
What is 6y2+2x
(12y2 +17y-4)+(9y2 -13y+3)
What is 21y2 + 4y -1
(-s2 -3)-(2s2 +10s)
What is -3s2 -10s-3
833,333,333,300,000 in scientific notation
What is 8.333333333 x 1014
(2x2 +1)+(x2 -2x+1)
What is 3x2 - 2x +2
Subtract y5 -y4 from y2 +3y4
What is y2+2y4-y5
(2r2+40t) + (10t+r2)
What is 3r2+50t
.23(4x2 +9x-4)+.9(.04x2 +3x-7)
What is .956x2 + 4.77x - 7.22
3(x2 -2x+3) - 4(4x+1) - (3x2 -2x)
What is -20x+5
division by zero is _______
What is undefined!