Which of the following expression is equivalent to 6x2−13x−28 I. 6x2+8x−21x−28
II. 2x(3x+4)+7x(3x−4)
III. 2x(3x+4)−7(3x+4)
IV. (3x+4)(2x−7)

IV only
IV only

I, III, and IV
I, III, and IV

I, II, and IV
I, II, and IV

I and IV only
I and IV only

I, III and IV

Step-by-step explanation:

Required

Determine equivalent expressions to

To do this, we simplify each of the given options.

Simplify like terms

This is equivalent to the given expression

Open Bracket

Collect Like Terms

This is not equivalent to the given expression

Open Bracket

Simplify Like Terms

This is equivalent to the given expression

Open Brackets

Simplify like terms

This is equivalent to the given expression

Hence: I, III and IV are equivalent to the given expression

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step-by-step explanation:

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step-by-step explanation: