ac - ad + bc - bd = ?
(a + b) (c - d)
(a - b)(c - d)
(a + b) (c + d)
(a + c) (b - d)
ab - 3a + 5b - 15 =?
(b - 3)(a + 5)
(b + 3)(a + 5)
(b - 3)(a - 5)
(b - 3) (a - 5)
3pq + 5p + 9q + 15 = ?
(3q + 5)(p + 3)
(3q - 5) (p + 3)
(3q - 5)(p - 3)
(3q + 5) (p - 3)
0.272 - 0.232
.50
.27
0.02
0.2
-5n2 + 25n - 20 = ?
(n + 1)(20 - 5n)
(n - 1)(20 - 5n)
(n - 1)(5n - 20)
(n + 1)(5n + 20)
Evaluate 237 × 237 + 363 × 363 + 2 × 237 × 363 = ?
360000
600
3600
36000
51 × 49 = ?
2499
2500
5149
2501
12.5 × 12.5 - 2 × 12.5 × 0.5 + 0.5× 0.5 = ?
144
121
12
12.55
xu - xv - yu + yv = ?
(x - y)(u - v)
(x + y)(u - v)
(x - y)(u + v)
(x + y)(u + v)
(x - 2)(x - 9) = ?
x2 - 11x + 18
x2 - 11x - 18
x2 + 11x - 18
x2 + 11x + 18
