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6 August, 19:17

Use the constant term and leading coefficient to list all the potential roots of the expression.

5x4 + x3 + 3x2 - 7

Using the information, what is the factors of constant?

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  1. 6 August, 21:12
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    Answer: 1,7 and 1,5 on coefficient

    Step-by-step explanation:

    Equation at the end of step 1:

    (((5• (x4)) + (x3)) + 3x2) - 7

    Step 2:

    Equation at the end of step 2:

    ((5x4 + x3) + 3x2) - 7

    Step 3:

    Checking for a perfect cube:

    3.1 5x4+x3+3x2-7 is not a perfect cube

    Trying to factor by pulling out:

    3.2 Factoring: 5x4+x3+3x2-7

    Thoughtfully split the expression at hand into groups, each group having two terms:

    Group 1: 3x2-7

    Group 2: 5x4+x3

    Pull out from each group separately:

    Group 1: (3x2-7) • (1)

    Group 2: (5x+1) • (x3)

    3.3 Find roots (zeroes) of : F (x) = 5x4+x3+3x2-7

    Polynomial Roots Calculator is a set of methods aimed at finding values of x for which F (x) = 0

    Rational Roots Test is one of the above mentioned tools. It would only find Rational Roots that is numbers x which can be expressed as the quotient of two integers

    The Rational Root Theorem states that if a polynomial zeroes for a rational number P/Q then P is a factor of the Trailing Constant and Q is a factor of the Leading Coefficient

    In this case, the Leading Coefficient is 5 and the Trailing Constant is - 7.

    The factor (s) are:

    of the Leading Coefficient : 1,5

    of the Trailing Constant : 1,7
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