FACTORING TRINOMIALS

A=1

• x^2-6x-7
• Find the numbers that can add to equal -6 but multiply to equal -7
• (x+1)(x-7)
• Check by foil
• Or by multiplying the first and last numbers and the 2nd and 3rd to add up to 6x

A>1

• 2x^2+8x+6
• Find a GCF
• 2(x^2+4x+3)
• Factor even more
• 2(x+1)(x+3)

FACTOR USING QUADRATIC PATTERN

QUADRATIC PATTERN

• x^4+7x^2+6
• No great eyes common factor
• (x^2+1)(x^2+6)
• Check by foil
• Or by multiplying the first and last number and the 2nd and 3rd number to add up to 7x^2