RudyLopez
Answered

☺Write the equation in standard form. Then factor the left side of the equation.☻


2x2 = 28 – x


A.) (2x + 7)(x – 4) = 0

B.) (2x – 7)(x + 4) = 0

C.) (2x + 4)(x + 7) = 0

D.) (2x – 4)(x + 7) = 0

Verified Answer :

Answers to Write the equation in standard form. Then factor the left side of the equation. 2x^2 + 7x ...standard form is ax^2 + bx + c=0 2x^2 + ... (2x - 3)(x + 5) = 0

SoccerGirl920

The correct answer is B) (2x-7)(x+4)=0. If you were to FOIL (First, Outer, Inner, Last) the answer, you would get 2x^2+1x-28=0.
Step by step:
(2x-7)(x+4)=0
FOIL it.
2x^2+8x-7x-28=0
Combine the two middle terms.
2x^2+1x-28=0
Move -28 and 1x over to the right side of the equation.
2x^2=28-x
Voila! You have your answer and how to check it! Hope this helps!

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