SOLUTION: FInd all solutions to; 2x^2 + 4 = 7x
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Algebra: Exponents and operations on exponents
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Question 58197
This question is from textbook
Elementary and Intermediate Algebra
:
FInd all solutions to;
2x^2 + 4 = 7x
This question is from textbook
Elementary and Intermediate Algebra
Answer by
checkley71(8403)
(
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2X^2+4=7X
2X^2-7X+4-0
USING THE QUADRATICK EQUATION WE GET
X=[(-(-7)+-SQRT(-7*-7-4*2*4)]/2*2
X=[7+-SQRT(49-32)]/4
X=[7+-SQRT17]/4
X=[7+-4.123]/4
X=11.123/4
X=2.78
X=2.877/4
X=.72