The factor of the given trinomial will be option A)x+ 9
What is Quadratic equation?
- In algebra, a quadratic equation is any equation that can be rearranged in standard form as where x represents an unknown, and a, b, and c represent known numbers, where a ≠ 0. If a = 0, then the equation is linear, not quadratic, as there is no ax^2 term
- The meaning of QUADRATIC EQUATION is any equation containing one term in which the unknown is squared and no term in which it is raised to a higher power.
How to solve this problem?
The steps are as follow:
- Given trinomial equation x² + 5x-36
- Factor can be find out as follow:
x² + 5x-36
= x² + ( 9 - 4)x - 36
= x² + 9x - 4x -36
= x ( x + 9) - 4( x + 9)
= ( x + 9 ) ( x - 4)
So the factor of the given trinomial will be option (D) x+ 9
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