The first step can be subtracting 2x from both sides leaving the equation with 6x + 3 = -15
The answer is B on edgeunity
Base=x+7 Height=x Area=60. 60=((x+7)(x))/2----->60=(x^2+7x)/2
120=x^2+7x X^2+7X-120=0. QUDRATIC FORMULA: -7+/- SQRT(49+480)/2
(-7+/-23)/2... 8 and -15. -15 ISNT the answer because you cant have a negative length. X=8 Base=8+7---->15 Height=8
Associative property Says that you can add or multiply regardless of how the numbers are group
Answer: a
Step-by-step explanation:
