catchison1005 catchison1005

30-08-2020
Mathematics

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(2x-7)^2=64 solve for x

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sarahleon0925 sarahleon0925

30-08-2020

(2x-7)^2=64
2x-7= √64
2x-7= ±8
1) 2x-7=8 2) 2x-7=-8

1) 2x=8+7
2x=15
X=15/2

2)2x-7=-8
2x=-8+7
2x=-1
X= -1/2

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