Math, asked by ptrao2310, 10 months ago


 {4x }^{2} =  {15}^{2} -  {9}^{2}
find the value of x ?​

Answers

Answered by ItzRadhika
1

heyy....

here is your answer

4x²=15²-9²

=4x²=225-81

=4x²=144

=x²=144/4

=x²=36

x=6

hope IT HELPs u ....

^_^

Answered by harendrachoubay
0

The value of x is equal to 6.

Step-by-step explanation:

We have,

4x^{2} =15^{2}-9^{2}

To find, the value of x = ?

4x^{2} =15^{2}-9^{2}

4x^{2} = (15 + 9)(15 - 9)

Using the algebraic identity,

a^{2} -b^{2}=(a+b)(a-b)

4x^{2} = (24)(6)

x^{2} = \dfrac{24 \times 6}{4}

x^{2} = 6 × 6 = 36

x^{2} = 6^{2}

∴ x = 6

Thus, the value of x = 6

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