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Subjects>Math>Math & Arithmetic

15x2 - 56 equals 88 plus 6x2?

Updated: 9/17/2023

Wiki User

∙ 14y ago

Best Answer

15x2 - 56 = 88 + 6x2

Subtract 6x2 from each side:

9x2 - 56 = 88

Add 56 to each side:

9x2 = 144

Divide each side by 9:

x2 = 144/9

Take the square root of each side:

x = 12/3 = 4

x = -4

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∙ 14y ago

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15 x2 plus 2x-56?

15x2 + 2x - 56 = 15x2 + 30x - 28x - 56 = 15x(x + 2) - 28(x + 2) = (15x - 28)(x + 2)

What is 1 plus 2 plus 56 equals?

1 + 2 + 56 = 59

What is is 56 plus 1?

56 plus 1 equals 57. == ==

What equals -64 plus 8?

The answer is -56

What is 56 plus 89 equals?

145.

Related questions

What are the x-solutions for the equation below 15x2 - 56 equals 88 plus 6x2?

15x2-56 = 88+6x2 15x2-6x2-56-88 = 0 9x2-144 = 0 Divide all terms by 9:- x2-16 = 0 (x-4)(x+4) = 0 x = 4 or x = -4

Which values of x are soluteto the equation below 15x2-56 equal 88 plus 6x2?

If: 15x2-56 = 88+6x2 Then: 9x2 = 144 And: x2 = 16 So: x = 4

What are the x-solutions for the equation below 10x2 - 56 equals 88 - 6x2?

10x2 - 56 = 88 - 6x2 : 10x2 + 6x2 = 88 + 56 : 16x2 = 144 : x2 = 9 : x = ± 3

15 x2 plus 2x-56?

15x2 + 2x - 56 = 15x2 + 30x - 28x - 56 = 15x(x + 2) - 28(x + 2) = (15x - 28)(x + 2)

56 plus 56 equals?

112

Simplify 15x2 4x 9 3x?

56

What equals 56?

56 plus zero

What is 1 plus 2 plus 56 equals?

1 + 2 + 56 = 59

What is is 56 plus 1?

56 plus 1 equals 57. == ==

What is 56 plus 9 equals?

65

What is 56 plus 65 equals?

121

What is 56 plus 34 equals?

90

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