Find the value of $x$ , which makes the two expressions $(x + 1) (x + 2)$ and $x (x + 7) - 6$ equal to each other.

4

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6

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2

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8

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Solution

The correct option is C $2$
$(x + 1) (x + 2) = x (x + 7) - 6 x^{2} + 3 x + 2 = x^{2} + 7 x - 6 - 4 x = - 8 x = 2$

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(x + 1) (x + 2) a n d x (x + 7) - 6

Question 6 (i)

Simplify the expression and find the value if $x$ is equal to 2:
x + 7 + 4(x - 5)

Simplify the expressions and find the value if x is equal to 2

(i) x + 7 + 4 (x − 5) (ii) 3 (x + 2) + 5x − 7

(iii) 6x + 5 (x − 2) (iv) 4 (2x −1) + 3x + 11

Question 6 (ii)

Simplify the expression and find the value if x is equal to 2:
3(x + 2) + 5x - 7

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