Math, asked by prabhabhattat, 7 months ago

what is the value of (5a²-3b²) if a=7and b=5

Answers

Answered by UtkarshRaj21

1

Answer:

170

Step-by-step explanation:

Acc. to question

a = 7 and b = 5

∴ 5*(7)² - 3*(5)²

⇒ 5*49 - 3*25

⇒ 245 - 75

⇒ 170

Answered by bhavanaRS

0

Answer:

120

mark as brainliest

5.7^2-3.5^2

5.49-3.25

245-125

120

Step-by-step explanation:

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