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2 March, 03:48

You are given a quadratic trinomial expression 7x^2+42x-49.

a. Factor the quadratic expression.

b. What are the zeros of the quadratic trinomial? Remember to show your work.

c. Explain what your solutions represent for the equation.

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  1. 2 March, 04:18
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    Step-by-step explanation:

    7x² + 42x - 49

    Factor using the AC method.

    (x - 1) (7x + 49)

    Set each factor to 0 to find the zeros.

    x - 1 = 0, 7x + 49 = 0

    x = 1, x = - 7

    These represent the x-intercepts of the graph y = 7x² + 42x - 49.
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