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Mathematics 10 Online
OpenStudy (anonymous):

Which of the binomials below is a factor of this trinomial? 5x2 + 20x + 15

OpenStudy (theviper):

U see here 5 is common

OpenStudy (theviper):

\[5(x^2+4x+3)\]

OpenStudy (anonymous):

yeaaa its common

OpenStudy (anonymous):

A. x - 5 B. x + 1 C. x - 1 D. x + 5

OpenStudy (theviper):

Do u know how to find a zero of a trinomial

OpenStudy (anonymous):

noooo idk how to do this

OpenStudy (theviper):

K! first find the value of x in option A, i.e., x=5

OpenStudy (theviper):

Than put this value of x in the eq.

OpenStudy (theviper):

After putting solve the eq. if the ans is zero than A is a factor of the given trinomial or ans is not zero than it is not.

OpenStudy (theviper):

Similarly, check in every option.

OpenStudy (anonymous):

daya chalo answer karo taki main tumhe medal doon

OpenStudy (theviper):

To, find the zeroes of a trinomial u can study a ninth class book

OpenStudy (anonymous):

5(x+1)(x+3) ans. is B

OpenStudy (anonymous):

Seriously now, any expression of form ax^n + (a1)x^(n-1) + .... + (an-1)x + an is a polynomial,! A trinomial has three different variables For eg. x^3 + xyz + y^2 + 2z^2 + z^3 and binomial has 2 different variables, like x+y or X^2 + y^2 + xy

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