Question

7. (4x + 7) (5x + 6)​

Answer 1

Step-by-step explanation:

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Answer 2

Simplifying

4x + -7 = 5x + 6

Reorder the terms:

-7 + 4x = 5x + 6

Reorder the terms:

-7 + 4x = 6 + 5x

Solving

-7 + 4x = 6 + 5x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-5x' to each side of the equation.

-7 + 4x + -5x = 6 + 5x + -5x

Combine like terms: 4x + -5x = -1x

-7 + -1x = 6 + 5x + -5x

Combine like terms: 5x + -5x = 0

-7 + -1x = 6 + 0

-7 + -1x = 6

Add '7' to each side of the equation.

-7 + 7 + -1x = 6 + 7

Combine like terms: -7 + 7 = 0

0 + -1x = 6 + 7

-1x = 6 + 7

Combine like terms: 6 + 7 = 13

-1x = 13

Divide each side by '-1'.

x = -13

Simplifying

x = -13