You can also use a rectangle diagram to help you factor some trinomials, such as x2 - 7x + 12.

Use rectangle diagrams to help you factor these trinomials.
a. x2 + 3x - 10
b. x2 + 8x + 16
c. x2 - 25

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To factor r2-Tx +12 the constants of the binomials must mtiply to 12, and add up lo - 2 -3x constants of the bmomials need to -4 -4x 1 -3 and-4.