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What is 2x2 plus 11x plus 15?
2x2 + 11x + 15 = (x + 3)(2x + 5).
What is 2x plus 2 equals x plus 4?
2x2=4x4=16
Y equals 2x plus 5 is a linear equation because?
There are no powers e.g 2x2 would be due to the 2
Can 5x2 plus 2x-4 equals 2x2 be solved using the quadratic formula?
5x^(2) + 2x - 4 = 2x^(2) Hence 3x^(2) + 2x - 4 = 0 Now apply the Quadratic Equation. x = { - 2 +/- sqrt[2^(2) - 4(3)(-4)]} / 2(3) x = {-2 +/- sqrt[4 + 48]} / 6 x = { -2 +/- sqrt(50_] / 6 x = { -2 +/-5sqrt(2)} / 6 x = (-2 - 5sqrt(2))/ 6 & x = (-2 + 5sqrt(2))/ 6 Since the square root of '2' is an Irrational Number. (decimals go to infinity, the answer is left in 'surd' form .
How do you factorise x3 plus 2x2-8x plus 5 equals 0?
x3 + 2x2 - 8x + 5 = 0 x(2x - 8) + 5 = 0
What are the roots of the quadratic equation y equals 2x2 plus 3x-20?
2x2 + 3x - 20 = (x + 4)(2x - 5).
What are the factors of the equation 2x2 plus 10 equals 9x?
2x2 + 10 = 9x 2x2 - 9x + 10 = 0 (x - 2)(2x - 5) = 0
How do you factor 2x2 plus 10-9x equals 0?
2x2 + 10 - 9x = 0 or 2x2 - 9x + 10 = 0 So (x - 2)*(2x - 5) = 0
What is 2x squared plus 2x?
2x2 + 2x = 2x(x+1)
2x2 plus 7x plus 3 equals 0?
(2x + 1)(x + 3) = 0; x = -0.5 or -3
How would you factor 2x squared plus 7x plus 6?
You would factor 2x2 + 7x + 6 into (2x + 3) (x+2)
Factor 4x4 plus 1?
4x4 + 1 = (2x2 - 2x + 1)(2x2 + 2x + 1)
