12.5 × 12.5 - 2 × 12.5 × 0.5 + 0.5× 0.5 = ?
144
121
12
12.55
ac - ad + bc - bd = ?
(a + b) (c - d)
(a - b)(c - d)
(a + b) (c + d)
(a + c) (b - d)
-5n2 + 25n - 20 = ?
(n + 1)(20 - 5n)
(n - 1)(20 - 5n)
(n - 1)(5n - 20)
(n + 1)(5n + 20)
(x - 2)(x - 9) = ?
x2 - 11x + 18
x2 - 11x - 18
x2 + 11x - 18
x2 + 11x + 18
0.272 - 0.232
.50
.27
0.02
0.2
(a - 10)(a + 4) = ?
a2 - 6a - 40
a2 + 6a + 40
a2 + 6a - 40
a2 - 6a + 40
x2 + 3x + 2 = ?
(x + 1)(x + 2)
(x - 1)(x + 5)
(x + 1)(x - 5)
Evaluate 237 × 237 + 363 × 363 + 2 × 237 × 363 = ?
360000
600
3600
36000
ab - 3a + 5b - 15 =?
(b - 3)(a + 5)
(b + 3)(a + 5)
(b - 3)(a - 5)
(b - 3) (a - 5)
2x2 + 8x - 24 = ?
(x + 6)(2x - 4)
(x - 6)(2x - 4)
(x - 6)(2x + 4)
(x + 6)(2x + 4)
