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Popular >

simplify 7^2-2[9x-5(10-8x)]

Solution

simplify

7^{2} - 2 [9 x - 5 (10 - 8 x)]

Solution

- 98 x + 149

Solution steps

7^{2} - 2 (9 x - 5 (10 - 8 x))

7^{2} = 49

2 (9 x - 5 (10 - 8 x)) = 2 (49 x - 50)

= 49 - 2 (49 x - 50)

Expand

- 2 (49 x - 50) : - 98 x + 100

= 49 - 98 x + 100

Group like terms

= - 98 x + 49 + 100

Add the numbers:

49 + 100 = 149

= - 98 x + 149

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Frequently Asked Questions (FAQ)

What is 7^2-2[9x-5(10-8x)] ?
The solution to 7^2-2[9x-5(10-8x)] is -98x+149