elvagarcia91804 elvagarcia91804

Today at 6:57 PM
Mathematics

Answered

How to write (3x - 7) (5x + 3) in standard form

Answer :

blacksteel15 blacksteel15

Today at 7:02 PM

Answer:

15x^2 -26x - 21

Step-by-step explanation:

We look at the expression and see that we're going to end up multiplying two terms with x together to get a largest factor of x^2, giving us a quadratic equation. A quadratic equation is in standard form when it's of the form ax^2 + bc + c

First, FOIL your terms:

(3x - 7) (5x + 3) = 5x*3x + 3x*3 + -7*5x + -7*3 = 15x^2 + 9x - 35x - 21

Now combine like terms and reorder if necessary:

15x^2 -26x - 21

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