PLZZ HELP 32+5*4 wdwd
1 answer:
Hi!
<u>Explanation: </u><u><em>This question is super super easy! You had to used PEMDAS for order of operations. First multiply by 5*4=20, from left to right. Then 32+20=52 and it gave us the answer is 52 is the right answer. Hope this helps! And thank you for posting at here on Brainly. And have a great day. -Charlie </em></u>
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Answer:
x = - , x = 3
Step-by-step explanation:
Given
(4x - 5)² = 49 ( take the square root of both sides )
4x - 5 = ± = ± 7 ( add 5 to both sides )
4x = 5 ± 7, thus
4x = 5 - 7 = - 2 ( divide both sides by 4 )
x = = -
or
4x = 5 + 7 = 12 ( divide both sides by 4 )
x = 3
As a check
Substitute these values into the left side of the equation and if equal to the right side then they are the solutions.
x = -
left side = (- 2 - 5)² = (- 7)² = 49 = right side ⇒ solution
x = 3
left side = (12 - 5)² = 7² = 49 = right side ⇒ solution