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42 + x2 = 13x
∴ x2 - 13x + 42 = 0
∴ (x - 6)(x - 7) = 0
∴ x ∈ {6, 7}
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∙ 13y ago
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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
How do you factor 2x2 plus 13x 42?
The expression cannot be factorised.
What squared equals to 42?
6.4807407
What is 36 squared plus 42 squared?
3060.
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.
Factorise x squared plus 13x plus 42?
It is (x+6)(x+7) when factored
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
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
How do you factor 2x2 plus 13x 42?
The expression cannot be factorised.
What squared equals to 42?
6.4807407
What is 36 squared plus 42 squared?
3060.
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.
If A squared plus B squared equals C squared and C equals 70 what is A and B?
The solution follows A=42 42X42=1764 B=56 56X56=3136 sum of above=4900 (70X70=4900) Given you was looking for C and not C squared. Try A and B and doublecheck it for me.
What is 42 plus 42 equals?
42 + 42 = 84
Which of the binomials below is a factor of this trinomial x2 - 13x plus 42?
(x - 6)(x - 7)
What plus what equals -84 but multiplies to 1764?
42 and 42
What plus 13 equals 42?
13 + 42 = 55
