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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