Question Simplify the expression 9x2+12x+4 Evaluate (3x+2)(2+3x)Multiply the terms (3x+2)2Use (a+b)2=a2+2ab+b2 to expand the expression (3x)2+2×3x×2+22Solution 9x2+12x+4 Show Solution Find the roots x=−32Alternative Form x=−0.6˙ Evaluate (3x+2)(2+3x)To find the roots of the expression,set the expression equal to 0 (3x+2)(2+3x)=0Multiply the terms (3x+2)2=0The only way a power can be 0 is when the base equals 0 3x+2=0Move the constant to the right-hand side and change its sign 3x=0−2Removing 0 doesn't change the value,so remove it from the expression 3x=−2Divide both sides 33x=3−2Divide the numbers x=3−2Solution x=−32Alternative Form x=−0.6˙ Show Solution
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