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Factorise 12x-30?
42
What is answer to polynomial x-squared minus x minus 42?
x = ? 42 = x squared minus x
What is 42 plus 42?
42 + 42 = 84
What is 42 meters squared?
1764 square meters
How do you work out numbers squared?
A number squared is just that number times itself. For example four squared is four times four equals sixteen (42 = 4 x 4 = 16).
42 plus X squared equals 13X?
42 + x2 = 13x ∴ x2 - 13x + 42 = 0 ∴ (x - 6)(x - 7) = 0 ∴ x ∈ {6, 7}
2x2 plus 42 equals x2 plus 13x?
This is a quadratic equation question which will have two answers: 2x2+42 = x2+13x 2x2-x2-13x+42 = 0 x2-13x+42 = 0 Factorising the equation gives you: (x-6)(x-7) = 0 Therefore: x = 6 or x = 7
If x2 - 13x plus 42 equals x plus Ax plus B then A plus B equals?
2x - 13x + 42 = x +ax + b a + b = 2(x - 6.5x + 21) = 34 = a + b
How do you factor 2x2 plus 13x 42?
The expression cannot be factorised.
What is 36 squared plus 42 squared?
3060.
How do you answer this year 9 Advanced Maths question Factorise the following expression. Simplify where necessary x in this question means the leter x - 7x squared plus 49x - 42?
7x2+49x-42 = 7(x2+7x-6)
Which of the binomials below is a factor of this trinomial x2 - 13x plus 42?
(x - 6)(x - 7)
What is the answer to t squared plus t minus 42?
t2+ t - 42 it can't be simplified anymore
What is 275 squared divided by 4 squared plus 3 squared plus 2 squared?
2752 = 75625 42 = 16 32 = 9 22 = 4 75625/16 + 9 + 2 = 4737.5625
What pair of square numbers gives 97?
They are 81+16 = 9792 + 42 = 97nine squared plus four squared
Which is larger 7 squared or 6x7 plus 7?
They are equal. 7 squared is 7 x 7, which equals 49. 6 x 7 = 42, plus another 7 = 49.
What is the factorization of this trinomial x3 plus 13x2 plus 42x?
x3 + 13x2 + 42x = x(x2 + 13x + 42) = x(x2 + 6x + 7x + 42) = x[x(x + 6) + 7(x + 6)] = x(x + 7)(x + 6)
