0
18x2 + 2
= 2(9x2 + 1)
= 2(9x2 - -1)
= 2[(3x)2 - i2]
= 2(3x + √-1)(3x - √-1) (substitute i for √-1)
= 2(3x + i)(3x - i)
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∙ 14y ago
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How do you factor 8x squared plus 18x-18?
2(4x - 3)(x + 3)
How do you get 81-18x plus xsquared from (9-x)squared?
Because: (9-x)(9-x) = 81-18x+x^2
Factor the trinomial x2-18x plus 81?
(X-9)2
What is the answer for y equals 3x squared plus 18x plus 15?
Y = 3X^2 + 18X + 15 set to zero 3X^2 + 18X + 15 = 0 divide through by 3 X^2 + 6X + 5 = 0 now easy factor by inspection (X + 1)(X + 5) X = -1 X = -5 -1 checks by inspection and I assume -5 will check also
Factor x squared y squared plus ay squared plus ab plus bx squared?
(a + x^2)(b + y^2)
How do you factor 8x squared plus 18x-18?
2(4x - 3)(x + 3)
Factor 3x cubed plus 15x squared plus 18x?
3x3+15x2+18x = 3x(x2+5x+6) = 3x(x+2)(x+3)
How do you factor 9x cubed plus 18x squared minus x minus 2?
(x + 2)(3x - 1)(3x + 1)
How do you get 81-18x plus xsquared from (9-x)squared?
Because: (9-x)(9-x) = 81-18x+x^2
Factor the trinomial 6x2-18x plus 12?
6x2-18x+12 = (6x-6)(x-2)
How do you factor 2x2 plus 18x plus 36?
2(x + 6)(x + 3)
Factor the trinomial x2-18x plus 81?
(X-9)2
How would you factor factor factor 18x to the 3-6x to the 2 plus 24x?
6x(3x2 - x + 4)
Factor x squared y squared plus ay squared plus ab plus bx squared?
(a + x^2)(b + y^2)
What is the answer for y equals 3x squared plus 18x plus 15?
Y = 3X^2 + 18X + 15 set to zero 3X^2 + 18X + 15 = 0 divide through by 3 X^2 + 6X + 5 = 0 now easy factor by inspection (X + 1)(X + 5) X = -1 X = -5 -1 checks by inspection and I assume -5 will check also
Factor a squared plus 4a plus 4 - b squared?
(a + 2 - b) (a + 2 + b)
Can you factor x squared plus 4x plus 2?
No
