4x\Xb2-32x=-28 Checking Of X=7, (Pls.Someone Answer This I Need To Pass It Tomorrow)2665

4x²-32x=-28 checking of x=7
(pls.someone answer this I need to pass it tomorrow)♥

 

Answer:

4(7²)−(32)(7)+28=0

(4)(49)−(32)(7)+28=0

196−(32)(7)+28=0

196−224+28=0

−28+28=0

0=0

√

Step-by-step explanation:

Substitution

4x²-32x=-28 ;x=7

Standard form:

4x²−32x+28=0

x=7

Other Roots:

4x²−32x=−28

4x²−32x+28=0

4(x−1)(x−7)=0

x−1=0 or x−7=0

x=1 or x=7

#junechallenge


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