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10 questions
Multiply
(y−5)(y+5)
y2−10y−25
y2−25
y2+5y+25
Multiply (x+3)(x−4)
x2+7x+12
x2−x−12
x2+x+12
Multiply
(x + 5)2
Hint: try (x + 5)(x + 5)
x2 + 25
x2 + 10x + 25
x2 + 10 x + 10
x2 + 10
Multiply
(x + 5)(x - 4)
x2 + 9x + 20
x2 + 9x - 20
x2 + 1x - 20
x2 - 1x - 20
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