MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

(x±a)(x±b) = x²±(a+b)x+ab.

Solve for x...

Question

Solve for $x$ : $7 (x - 8) = 3 (x + 9)$

Open in App

Solution

Given that,

$7 (x - 8) = 3 (x + 9)$

$\Rightarrow 7 x - 56 = 3 x + 27$

$\Rightarrow 4 x = 83$

$∴ x = 20.75$

Hence, this is the required solution.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Solve the following equations:

8 + 9 \sqrt{(3 x - 1) (x - 2)} = 3 x^{2} - 7 x

Q. Solve for x & y

\frac{7}{3^{^{x}}} - \frac{6}{2^{y}} = 15

\frac{8}{3^{x}} = \frac{9}{2^{y}}

Q. Solve the system of inequalities:

(x + 5) - 7 (x - 2) \geq 4 x + 9, 2 (x - 3) - 7 (x + 5) \leq 3 x - 9

.

\frac{1}{3 x} - \frac{3}{7 x} = 8

x

\frac{2 - (3 x - 8)}{5 - (4 x - 9)} = \frac{1}{2}

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

(x+a)(x+b)

MATHEMATICS

Watch in App

explore_more_icon

Explore more

(x±a)(x±b) = x²±(a+b)x+ab.

Standard IX Mathematics

Join BYJU'S Learning Program

CrossIcon