Question 4x2+12x+9 Factor the expression (2x+3)2 Evaluate 4x2+12x+9Solution (2x+3)2 Show Solution Find the roots x=−23Alternative Form x=−1.5 Evaluate 4x2+12x+9To find the roots of the expression,set the expression equal to 0 4x2+12x+9=0Use a2+2ab+b2=(a+b)2 to factor the expression (2x+3)2=0Simplify the expression 2x+3=0Move the constant to the right-hand side and change its sign 2x=0−3Removing 0 doesn't change the value,so remove it from the expression 2x=−3Divide both sides 22x=2−3Divide the numbers x=2−3Solution x=−23Alternative Form x=−1.5 Show Solution
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