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max2010maxim [7]
3 years ago
12

X(x+1)+(x+1)(x+2)+(x+2)(x+3) solve the equation for x​

Mathematics
2 answers:
muminat3 years ago
6 0

Answer:

3 x^{2} + 9x + 8

<em><u>(This is an expression, not an equation so you can't find x with this expression. Equations have an = sign which can help isolate x on one side to find the value of x. This is the closest thing you could do for an answer for this expression.)</u></em>

Step-by-step explanation:

x(x+1)+(x+1)(x+2)+(x+2)(x+3)

= (x)(x) + (x)(1) + (x)(x) + (x)(2) + (1)(x) + (1)(2) + (x)(x) + (x)(3) + (2)(x) + (2)(3)

= <em>x^2</em> + x + <em>x^2</em> + 2x + x+ <u>2</u> + <em>x^2</em> + 3x + 2x + <u>6</u>

= (<em>x^2+x^2+x^2</em>) + (x+2x+x+3x+2x) + (<u>2+6</u>)

= 3x^{2} + 9x + 8

So first you expand the brackets and then you combine like terms.

viva [34]3 years ago
4 0

Answer:

3x²+9x+8

Step-by-step explanation:

x²+x+x(x+2)+1(x+2)+x(x+3)+2(x+3)

x²+x+x²+2x+x+2+x²+3x+2x+6

x²+x²+x²+x+2x+x+3x+2x+2+6

3x²+9x+8

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