Look at the following math problems. 10 + 2 = 12 12 − 2 = 10 What are these operations called?
2 answers:
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The width of the mat around the photo is 3 inches
The combined area of the of the photo and math = 224 square inches
The combined area is represented as:
(2w +8)(2w + 10) = 224
Expand the equation using the distributive rule
Divide through by 4
Factorize the resulting quadratic equation to solve for w
w - 3 = 0
w = 3
w + 12 = 0
w = -12
The width of the mat around the photo is 3 inches
Learn more on area here: brainly.com/question/20968176