Expand a(a+7)
a2 + 7a
Simplify m5 * m2 * m
m8
Simplify sqrt(40)
2 sqrt(10)
Factorise fully 12x2y - 8xy
4xy(3x - 2)
Simplify 4/x * 3/y
12/xy
Expand and simplify a(a+5)+7(a+6)
a2 + 12a + 42
Simplify 12m4 / 3m2
4m2
Simplify sqrt(8) - 6*sqrt(8) +15*sqrt(8)
10sqrt(8)
Factorise by taking out a negative HCF -3a2 - 9ab
-3a(a + 3b)
Simplify 3x/5 divided by 2y/x
3x2/10y
Expand and simplify 4m(2m - 6) - 6(4m - 5)
8m2 - 48m +30
Evaluate 7a0-(2b0)2
3
Simplify 5*sqrt(3) * 3*sqrt(5)
15sqrt(15)
Factorise p4 - 16
(p2 + 4)(p2 - 4)
Simplify 2y/5 + y/15
7y/15
Expand and simplify (5n - 4)(7n - 2)
35n2 - 38n + 8
Simplify (-3x2y)3
-27x6y3
Simplify 5sqrt(18) / 24sqrt(175)
sqrt(2)/8*sqrt(7)
Factorise fully 14ac + 7bc - 6ad - 3bd
(2a+b)(7c-3d)
Simplify 7a/12 - 5a/18
11a/36
Expand and simplify (x + 2)2
x2 + 4x + 4
Simplify using positive indices r3s-2
r3/s2
Expand and simplify (sqrt(6) - sqrt(15))(sqrt(3) -sqrt(2))
3sqrt(2) - 2sqrt(3) - 3sqrt(5) + sqrt(30)
Factorise x2 - 2x - 8
(x - 4)(x + 2)
Simplify 1/x + 1/(x+1)
(2x+1)/(x*(x+1))