Solving equations
6x-5 = 7-9x
x=4 /5
Simplify: (-4)2 + 32(4)
144
Simplify:
3x2 + 5x - 2 + (4x2 - 6x - 8)
7x2 - x - 10
Simplify:
(x + 4)(x + 4)
x2 + 8x +16
6y-5 = -3(2y+1)
y = 1/6
Simplify: (-5)2 - 52 + 6(2)
-15
Find the sum of x2 +3x - 5 and -3x2 - 4x +20
-2x2 - x + 15
Simplify:
(2x + 3)(3x + 4)
6x2 + 17x + 12
-1.6r +5 = -7.8
r=8
14 / (8 -20 /2 )
-7
Find the difference between:
-x2 + 4x - 7 and 8x2 + 6x - 4
-9x2 - 2x - 3
Simplify:
(3x + 5)2
9x2 + 30x +25
Identify the error in the problem
5+3x = 5x-19
-3x -3x
5= 2x -19
+19 +19
24/24 =(2x)/24
x= 1/12
Last step divided by 24 instead of 2
(7- 3²)² + 6²
40
Subtract -3x2 +5x - 6 from 4x2 + 7x + 17.
7x2 + 2x + 23
Simplify and give in standard form:
(2m - 5)2
4m2 - 20m + 25
Identify the error in the problem?
5(x+3) = 4x-2
5x+3 = 4x-2
-4x -4x
x+3 = -2
-3 -3
x = -5
Did not distribute properly
(6+9 divide 3 + 15)/(8-2)
4
(-6n-13n²)+(-3n+9n²)
-4n²-9n
Simplify:
(a + 5)(2a2 + 3a - 6)
2a3 + 13a2 + 9a - 30